Newborn Examinations: What Tests Does Your Baby Get?

What Examinations Does a Newborn Receive After Birth?

After birth, every newborn receives a series of standard examinations: the Apgar score at 1, 5, and 10 minutes; initial measurements of weight, length, and head circumference; a comprehensive physical examination within the first 24-72 hours; hearing screening; metabolic blood spot testing (heel prick); and pulse oximetry for heart defect screening. These examinations are offered to all newborns regardless of how the birth went.

The moments after your baby is born are filled with emotion, but they are also an important time medically. Healthcare professionals begin assessing your newborn's health almost immediately. These routine examinations are designed to confirm that your baby is adapting well to life outside the womb and to detect any conditions that may need attention. Most parents find reassurance in knowing that their baby has been thoroughly checked.

The specific tests and their timing can vary slightly between hospitals and countries, but the core examinations are remarkably consistent worldwide, guided by recommendations from the World Health Organization (WHO) and national pediatric organizations such as the American Academy of Pediatrics (AAP). Understanding what to expect can help you feel more prepared and confident during these first critical hours.

All of these examinations are offered as standard care for every newborn. You have the right to be present during all examinations, and healthcare staff will explain what they are doing and what they find. If anything requires further investigation, the team will discuss this with you clearly and promptly. Many examinations can be performed while your baby is in your arms or on your chest, supporting the important early bonding process.

The examinations fall into several categories: immediate assessments done in the delivery room, screening tests performed in the first few days, and the comprehensive physical examination carried out by a doctor or trained midwife. Together, these create a thorough picture of your baby's health at the very start of life.

Timeline of Newborn Examinations

Understanding when each examination occurs helps parents know what to expect. The timeline begins within the first minute after birth and extends through the first few days of life, with some follow-up tests scheduled in the weeks ahead.

What Is the Apgar Score and What Does It Measure?

The Apgar score is a quick assessment performed at 1, 5, and 10 minutes after birth that evaluates five key indicators of your baby's health: heart rate, breathing effort, muscle tone, reflex response, and skin color. Each criterion is scored 0 to 2, giving a maximum total of 10. A score of 7-10 is considered normal and means your baby is adapting well to life outside the womb.

The Apgar score was developed by Dr. Virginia Apgar, an American anesthesiologist, in 1952. It remains one of the most widely used assessment tools in neonatal medicine worldwide. The test is performed quickly and does not require any equipment beyond the trained eyes and hands of the attending healthcare professional. It provides an immediate snapshot of how your baby is doing in those crucial first minutes.

The beauty of the Apgar score lies in its simplicity and speed. While the medical team may be performing this assessment, you may not even realize it is happening. The midwife or doctor observes your baby carefully, noting the five criteria and assigning scores. The test does not interfere with skin-to-skin contact or early breastfeeding. In many cases, the initial assessment is done while your baby is on your chest.

It is important to understand that the Apgar score is a tool for the moment, not a predictor of long-term health. A baby who scores lower at one minute may score perfectly at five or ten minutes as they adjust to breathing on their own. The score helps the medical team decide whether your baby needs any immediate support, such as gentle stimulation, suctioning of the airways, or supplemental oxygen.

The Five Apgar Criteria

Each of the five criteria assessed in the Apgar score reflects an important aspect of how well your newborn is adapting to the transition from the womb to independent life. The acronym A-P-G-A-R serves as a helpful memory aid for the five categories being evaluated.

Understanding Apgar Results

Most healthy newborns score between 7 and 10 at one minute after birth. It is quite common for the one-minute score to be slightly lower than the five-minute score, as many babies need a few moments to adjust to breathing air instead of receiving oxygen through the placenta. A score of 10 is rare at one minute because many newborns have slightly blue hands and feet initially, which is entirely normal.

If the Apgar score is below 7, it indicates that the baby may need some medical attention. This could be as simple as gentle stimulation, drying the baby vigorously with a towel, or clearing the airways. In rarer cases, a persistently low score may lead to more active interventions such as oxygen supplementation or assisted ventilation. The healthcare team is trained and prepared for all scenarios.

What Happens During the Initial Assessment?

In the first hour after birth, your baby is weighed, measured for length and head circumference, and given a general visual assessment. Vitamin K is administered (usually by injection) to prevent a rare but serious bleeding disorder. These measurements establish a baseline for tracking your baby's growth and development, and the entire process takes only a few minutes.

Immediately after birth, while you are holding your baby skin-to-skin, the healthcare team begins their initial observations. They watch how your baby breathes, check skin color, and assess general alertness. This initial observation happens naturally and usually without interrupting your bonding time. The medical team is skilled at performing these assessments unobtrusively while respecting the precious first moments between parent and child.

Within the first hour or so, your baby will be weighed and measured. Birth weight is an important indicator of your baby's health and is used as a baseline for monitoring growth in the days and weeks ahead. The average full-term newborn weighs between 2,500 and 4,500 grams (5.5 to 10 pounds), though healthy babies can fall outside this range. Length is typically between 45 and 55 centimeters (18 to 22 inches), and head circumference is usually between 33 and 37 centimeters (13 to 14.5 inches).

These measurements are more than just numbers for the birth announcement. They help healthcare providers assess whether your baby's growth is proportionate and identify any potential concerns. For example, head circumference is an important indicator of brain growth, and comparing weight to length helps assess nutritional status. All measurements are plotted on standardized growth charts that are based on data from millions of healthy newborns worldwide.

Vitamin K Administration

One of the most important interventions in the first hour of life is the administration of vitamin K. Newborns are born with very low levels of vitamin K, a nutrient essential for blood clotting. Without supplementation, a small number of babies can develop vitamin K deficiency bleeding (VKDB), a rare but potentially life-threatening condition that can cause serious bleeding in the brain or intestines.

The WHO and virtually all national pediatric organizations recommend that all newborns receive vitamin K shortly after birth. The most effective method is a single intramuscular injection into the baby's thigh. Some countries also offer an oral alternative, though this requires multiple doses over the first weeks and may be slightly less effective. The injection is quick and causes only brief discomfort. Research consistently shows that vitamin K prophylaxis has dramatically reduced the incidence of VKDB since its introduction.

Umbilical Cord Care

The healthcare team will also examine and care for the umbilical cord stump after it is clamped and cut. In most cases, the cord is clamped with a plastic clip approximately 2-3 centimeters from the baby's abdomen. Current WHO guidelines recommend delayed cord clamping, waiting at least one to three minutes after birth before cutting the cord. This allows additional blood to flow from the placenta to the baby, which has been shown to improve iron stores and reduce the risk of iron deficiency in the first months of life.

The umbilical stump will dry and fall off naturally within one to three weeks. Healthcare staff will show you how to keep the area clean and dry, and what signs to watch for that might indicate an infection, such as redness, swelling, discharge, or an unpleasant odor around the base of the stump.

What Does the Newborn Physical Examination Include?

The newborn physical examination is a comprehensive head-to-toe assessment performed by a doctor or trained healthcare professional within the first 24-72 hours. It checks the baby's heart, lungs, abdomen, hips, eyes, mouth, skin, genitals, spine, and reflexes. The examination takes 10-15 minutes and is usually done with the parent present. It aims to detect any congenital conditions that need early treatment.

The comprehensive newborn physical examination is one of the most thorough medical assessments your baby will receive. It is typically performed by a pediatrician, a neonatologist, or a specially trained midwife within the first 72 hours of life. The timing allows the baby to stabilize after birth while still enabling early detection of any conditions that may require attention. You are encouraged to be present during this examination, and the healthcare professional will usually explain what they are doing as they go.

The examination follows a systematic approach, working from head to toe, ensuring that no area is overlooked. The doctor uses a combination of observation, gentle palpation (feeling with the hands), and specific clinical maneuvers to assess each body system. While the list of things being checked may seem extensive, the entire process is typically completed in 10 to 15 minutes. Your baby may cry during parts of the examination, which is normal and can actually be helpful, as the sound of the cry itself provides useful clinical information.

This examination is not merely a formality. It serves as a critical safety net for detecting congenital conditions that may not have been identified during prenatal screening. Some conditions, such as certain heart defects or hip dysplasia, are more reliably detected through physical examination after birth than through prenatal ultrasound. Early detection of these conditions often leads to significantly better treatment outcomes.

Head and Face

The doctor examines the shape of the baby's head, feeling the fontanelles (the soft spots where the skull bones have not yet fused). The anterior fontanelle at the top of the head should feel soft and flat. The head may appear slightly elongated or asymmetrical after vaginal delivery, which is normal and resolves within a few days. The doctor checks for any unusual swelling or bruising, which can sometimes occur during birth but is usually harmless.

The eyes are examined using an ophthalmoscope to check for the red reflex, a reflection of light off the retina that appears as a reddish glow. An absent or white red reflex could indicate conditions such as cataracts, retinoblastoma, or other eye disorders that require early treatment. The ears are checked for their shape, position, and the presence of any skin tags or pits, which are usually harmless but occasionally associated with hearing or kidney issues.

Heart and Lungs

Listening to the baby's heart with a stethoscope is one of the most important parts of the examination. The doctor listens for the rhythm, rate, and any additional sounds known as heart murmurs. It is worth knowing that heart murmurs are extremely common in newborns. Most are so-called innocent murmurs caused by the normal changes in blood circulation that occur after birth as the baby transitions from receiving oxygen through the placenta to breathing air. However, some murmurs can indicate structural heart defects that need further investigation with an echocardiogram (heart ultrasound).

The lungs are assessed by listening to both sides of the chest for equal, clear breath sounds. The doctor also observes the baby's breathing pattern, checking for any signs of respiratory distress such as fast breathing (tachypnea), grunting, nasal flaring, or chest wall retractions. Healthy newborns typically breathe 30 to 60 times per minute, which is much faster than adult breathing.

Abdomen and Organs

The doctor gently feels the baby's abdomen to check the size and position of internal organs, particularly the liver, spleen, and kidneys. The abdomen should be soft and not distended. The umbilical cord stump is also examined to ensure it has been properly clamped and that there are the expected three blood vessels (two arteries and one vein) within the cord. The presence of only two vessels is noted as it can occasionally be associated with kidney or other anomalies.

Hips

The hip examination is particularly important for detecting developmental dysplasia of the hip (DDH), a condition where the hip joint does not form properly. The doctor performs specific maneuvers called the Ortolani test and Barlow test, which involve gently moving the baby's legs to check whether the hip joints are stable. DDH affects approximately 1-3% of newborns and is more common in girls, first-born babies, and breech presentations. When detected early, DDH is usually treated successfully with a simple harness, avoiding the need for surgery later.

Genitals and Anus

The genitals are examined to confirm normal development. In boys, the doctor checks that both testes have descended into the scrotum and examines for conditions such as hypospadias (an atypical position of the urethral opening). In girls, the doctor checks for normal external anatomy. It is common for newborns of both sexes to have swollen genitals due to exposure to maternal hormones during pregnancy, and this resolves naturally within the first weeks. The doctor also confirms that the anus is open and in the normal position.

Spine and Skin

The baby is turned over so the doctor can run a finger along the entire length of the spine, checking for any dimples, tufts of hair, or swelling that could indicate an underlying spinal abnormality. The skin is examined for its color, texture, and any birthmarks or rashes. Common normal findings include Mongolian spots (blue-gray patches, especially on the lower back), stork bites (salmon-colored patches on the eyelids, forehead, or neck), and milia (tiny white bumps on the face). Jaundice, a yellow tinge to the skin caused by elevated bilirubin levels, is monitored and treated if it exceeds safe levels.

Reflexes

Newborns are born with a set of primitive reflexes that indicate healthy neurological development. The doctor tests several of these during the examination. The Moro reflex (startle reflex) is triggered by a sudden movement or loud sound and causes the baby to throw out their arms and cry. The rooting reflex causes the baby to turn toward touch on their cheek, an instinct that helps with breastfeeding. The grasp reflex causes the baby's fingers to curl tightly around anything placed in their palm. The stepping reflex makes the baby appear to take steps when held upright with feet touching a surface. These reflexes are normal and expected in healthy newborns, and their absence may prompt further neurological evaluation.

How Is Newborn Hearing Screening Done?

Newborn hearing screening is a quick, painless test performed before hospital discharge using either otoacoustic emissions (OAE) or auditory brainstem response (ABR). A small earpiece or sensor is placed on or in the baby's ear while they are sleeping or calm. The test takes 5-10 minutes and can detect hearing impairment that affects 1-3 out of every 1,000 newborns. Early detection enables intervention before 6 months of age, which is critical for speech and language development.

Hearing is essential for speech, language, and cognitive development. Research has clearly demonstrated that babies identified with hearing loss before 3 months of age and who receive intervention before 6 months achieve significantly better language outcomes than those identified later. This is why universal newborn hearing screening is now recommended by the WHO, the AAP, and health authorities in most developed countries. The goal is to screen every baby before they leave the hospital.

The two main screening methods are both highly reliable and completely painless. Otoacoustic emissions (OAE) testing involves placing a small earpiece in the baby's ear canal that emits soft sounds and then measures the sounds that the healthy inner ear produces in response. Auditory brainstem response (ABR) testing uses small sensors placed on the baby's head to measure how the auditory nerve responds to sounds played through earphones. Many hospitals use OAE as the primary screening method because it is quick and easy to perform, while ABR is used as a follow-up or in certain high-risk situations.

The test is ideally performed when the baby is sleeping or lying quietly, as movement and crying can interfere with the results. If your baby does not pass the initial screening, it does not necessarily mean they have a hearing problem. Factors such as fluid in the ear canal from birth, a noisy testing environment, or a restless baby can all cause a false result. A follow-up test will be scheduled, and most babies who initially fail will pass on retesting. However, if hearing loss is confirmed, early referral to an audiologist and early intervention services are crucial.

What Is the Newborn Metabolic Screening (Heel Prick Test)?

The newborn metabolic screening, also called the heel prick test or blood spot test, involves taking a small blood sample from the baby's heel between 24 and 72 hours after birth. The blood is tested for 20 to 50 or more rare but serious metabolic and genetic conditions, including phenylketonuria (PKU), congenital hypothyroidism, cystic fibrosis, and sickle cell disease. Early detection through this screening allows treatment to begin before symptoms appear, preventing intellectual disability, organ damage, and other serious complications.

The newborn metabolic screening program is one of the great success stories of preventive medicine. First introduced in the 1960s with a test for phenylketonuria (PKU) developed by Dr. Robert Guthrie, the program has expanded dramatically over the decades. Today, depending on the country, the heel prick test screens for anywhere from 20 to over 50 conditions. The concept is straightforward: by detecting these rare conditions in the first days of life, treatment can begin immediately, often preventing the severe consequences that would otherwise develop.

The conditions screened for are individually rare, but collectively they affect a significant number of babies. For example, congenital hypothyroidism, which affects approximately 1 in 2,000-4,000 newborns, causes severe intellectual disability if left untreated but is completely preventable with daily thyroid hormone replacement that costs very little. Phenylketonuria (PKU), affecting about 1 in 10,000-15,000 babies, requires a special diet but allows for completely normal development when detected early. Without screening, these babies would appear healthy at birth and not show symptoms until irreversible damage had already occurred.

The test is performed by a nurse or midwife who pricks the baby's heel with a small lancet to collect several drops of blood onto a special filter paper card. The heel is used because it has a rich blood supply and the prick causes only brief discomfort. Research has shown that skin-to-skin contact and breastfeeding during the procedure significantly reduce the baby's pain response. The blood sample is then sent to a specialized laboratory where it undergoes a battery of tests using techniques such as tandem mass spectrometry, which can detect dozens of metabolic markers from a single blood spot.

Conditions Commonly Screened

While the exact panel of conditions varies by country, several core conditions are screened for almost universally. These represent conditions where early detection makes a dramatic difference in outcomes and where effective treatments are available.

• Phenylketonuria (PKU): An inability to process the amino acid phenylalanine, which builds up and damages the brain. Treated with a special low-phenylalanine diet
• Congenital Hypothyroidism: Insufficient thyroid hormone production, which affects growth and brain development. Treated with daily thyroid hormone pills
• Cystic Fibrosis: A genetic condition affecting the lungs and digestive system. Early treatment with physiotherapy and medication significantly improves outcomes
• Sickle Cell Disease: A blood disorder causing abnormal red blood cells. Early detection allows preventive antibiotics and monitoring for complications
• Congenital Adrenal Hyperplasia: A hormonal disorder that can cause severe salt-wasting crises in newborns. Treated with hormone replacement
• Medium-Chain Acyl-CoA Dehydrogenase Deficiency (MCADD): An inability to break down certain fats for energy, which can cause life-threatening crises during fasting. Managed with regular feeding schedules
• Galactosemia: An inability to process the sugar galactose found in milk. Treated with a galactose-free diet

What Happens With the Results

Results from the metabolic screening are typically available within one to two weeks. In most cases, no news is good news. If all results are normal, you may receive a notification or simply not hear anything, depending on the system in your country. If an abnormal result is found, the laboratory will contact your healthcare provider urgently, and you will be called in for confirmatory testing. It is important to know that screening tests are designed to be very sensitive, meaning they will occasionally flag babies who are actually healthy (false positives). A positive screening result always requires a follow-up diagnostic test to confirm or rule out the condition.

If a condition is confirmed, you will be referred to a specialist team who will explain the diagnosis and begin treatment. For most conditions detected through newborn screening, early treatment leads to dramatically better outcomes compared to late diagnosis. This is the fundamental purpose of the screening program: catching conditions before they cause harm.

How Does Pulse Oximetry Screening Work?

Pulse oximetry screening is a painless test that measures the oxygen level in your baby's blood by placing a small sensor on the baby's hand and foot. It is performed after 24 hours of age and takes about 5 minutes. The test screens for critical congenital heart defects (CCHDs), which affect approximately 2-3 per 1,000 live births. Some heart defects may not be detected by physical examination alone, making pulse oximetry an important additional screening tool.

Critical congenital heart defects are structural problems with the heart that are present at birth and require intervention within the first year of life. While many heart defects are detected during prenatal ultrasound or the newborn physical examination, some can be missed because the baby may appear healthy initially. Pulse oximetry fills this gap by measuring how well oxygenated the blood is. Certain heart defects cause lower-than-normal oxygen levels, which the pulse oximeter can detect before any symptoms become apparent.

The test is completely painless and non-invasive. A small sensor is wrapped around the baby's right hand (which receives blood before it passes through the ductus arteriosus) and one foot (which receives blood after). The device uses light to measure the percentage of oxygen-saturated hemoglobin in the blood. In a healthy newborn, the oxygen saturation should be 95% or higher in both the hand and foot, with a difference of no more than 3% between the two. Lower readings or a significant difference between hand and foot may indicate a heart defect that requires further investigation with echocardiography.

Pulse oximetry screening has been shown to detect approximately 75% of critical congenital heart defects that would otherwise be missed by physical examination and prenatal screening alone. A 2023 Cochrane systematic review confirmed that the addition of pulse oximetry to standard newborn care significantly reduces the number of late diagnoses of critical heart defects, leading to better outcomes. The test is now recommended as a standard screening in many countries, including the United States, United Kingdom, and across much of Europe.

When Should You Contact a Doctor After Newborn Examinations?

Contact your healthcare provider if your newborn shows signs such as persistent yellow skin or eyes (jaundice), difficulty feeding, unusual drowsiness or irritability, a temperature above 38 degrees C (100.4 degrees F) or below 36 degrees C (96.8 degrees F), rapid or labored breathing, or if you notice anything that feels different or concerning. Trust your parental instincts. In an emergency, call your local emergency number immediately.

While the newborn examinations are designed to be thorough, no screening program can detect every possible condition. As a parent, you are the most important observer of your baby's health. You spend more time with your baby than any healthcare professional, and your instincts about something not being right are valuable clinical information. Healthcare providers take parental concerns seriously, and it is always better to seek advice when you are worried than to wait and see.

In the days and weeks after birth, there are certain signs and symptoms that warrant prompt medical attention. Some of these may indicate conditions that were not present or detectable at the time of the newborn examinations but have developed since. Being aware of these warning signs does not mean you need to be anxious; rather, it empowers you to act quickly if needed.

It is also important to attend all scheduled follow-up appointments in the first weeks and months of life. These visits allow healthcare providers to monitor your baby's growth, feeding, and development, and to perform additional screenings and immunizations according to the recommended schedule. A second physical examination is often performed at approximately 6-8 weeks of age, which serves as an important follow-up to the initial newborn assessment.

What Can Parents Do During Newborn Examinations?

Parents can stay with their baby during all examinations, provide skin-to-skin contact and breastfeeding for comfort during the heel prick test, ask questions about findings, and keep a record of results. Your presence helps keep the baby calm and allows you to understand your baby's health status directly from the healthcare team. There are no examinations where parents need to leave the room.

Being an active participant in your baby's examinations is both your right and an important part of early parenting. Research shows that parental presence during medical procedures reduces stress for both the baby and the parent. Most healthcare professionals welcome questions and appreciate engaged parents who want to understand their baby's health. Do not hesitate to ask for explanations of anything you do not understand or to request that the doctor slow down during the examination so you can follow along.

Skin-to-skin contact (also known as kangaroo care) is one of the most effective comfort measures available for newborns during medical procedures. Holding your baby against your bare chest provides warmth, reduces stress hormones, stabilizes heart rate and breathing, and promotes bonding. During the heel prick test specifically, studies have shown that skin-to-skin contact combined with breastfeeding or sucrose (sugar water) significantly reduces pain indicators in newborns. If you are able to hold your baby during the blood test, ask your healthcare provider whether this is an option at your facility.

It is helpful to keep a record of your baby's examination results, measurements, and any notes from the healthcare team. Many hospitals provide a personal health record book or card for this purpose. This information is valuable for future medical visits and for monitoring your baby's growth and development over time. If anything was noted during the examinations that requires follow-up, make sure you understand the next steps and have the relevant appointments scheduled before leaving the hospital.

Remember that feeling overwhelmed or anxious about your newborn's health is completely normal. The transition to parenthood is a profound experience, and it takes time to adjust. If you have concerns that you did not think of during the examination, you can always call the hospital or your healthcare provider later. There is no such thing as a question that is too small or too silly when it comes to your baby's health.

What Follow-Up Examinations Are Recommended?

After the initial newborn examinations, babies typically have a follow-up visit at 3-5 days, a comprehensive check at 6-8 weeks, and regular well-child visits throughout the first year. These visits include weight and growth monitoring, developmental assessments, immunizations, and additional screening tests. The 6-8 week examination is particularly important as it includes a second complete physical exam and checks for conditions that may not have been apparent at birth.

The newborn examinations performed in the hospital are just the beginning of a comprehensive program of health surveillance that continues throughout childhood. The schedule of follow-up visits varies by country, but the principles are consistent: regular monitoring of growth, development, nutrition, and general health, combined with age-appropriate screening tests and immunizations.

The first follow-up visit, typically at 3-5 days after birth, focuses on feeding assessment, weight check (it is normal for babies to lose up to 7-10% of their birth weight in the first few days before starting to gain), jaundice monitoring, and a check on the umbilical cord stump. If any concerns were identified during the initial newborn examinations, this visit provides an opportunity for review and follow-up.

The 6-8 week examination is one of the most important early health checks. It includes a complete physical examination similar to the one performed at birth, but now the doctor can also assess early developmental milestones such as whether the baby is starting to make eye contact, respond to sounds, and show increasing head control. The hip examination is repeated, as some cases of developmental dysplasia of the hip may not be detectable at birth but become apparent by this age. This visit also typically includes the first round of childhood immunizations.

Throughout the first year, regular well-child visits monitor your baby's growth along standardized curves, assess developmental milestones (such as rolling, sitting, babbling, and social interaction), provide immunizations, and offer an opportunity for parents to ask questions and receive guidance on nutrition, sleep, and safety. These visits are a cornerstone of preventive pediatric care and should be attended even when your baby appears healthy.