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What Are the Causes of Birth Asphyxia?

May 11, 2026

Finding out your baby has suffered from birth asphyxia is an incredibly heavy experience. You likely have many questions about what happened, why it happened, and what this means for your child’s future. At Lowenthal & Abrams, P.C., we believe that every family deserves clear answers and compassionate support.

While many cases are managed successfully by medical teams, this condition can lead to serious, lifelong challenges like cerebral palsy or developmental delays.

What is Birth Asphyxia?

In simple terms, birth asphyxia is a lack of oxygen. When a baby’s brain and organs don’t get the oxygen-rich blood they need, it can lead to physical and neurological harm. This often happens during the labor and delivery process.

The impact can vary. Some babies recover quickly with the right help, while others may face more severe complications known as Hypoxic-Ischemic Encephalopathy (HIE). Globally, the World Health Organization (WHO) reports that birth asphyxia is a major concern, accounting for roughly 38% of all deaths in children under five years old.

Why Does Birth Asphyxia Happen?

What Are the Causes of Birth Asphyxia 2

There are several reasons why a baby might lose their oxygen supply during birth. Doctors and nurses are trained to watch for these “red flags” to keep both the mother and baby safe.

  • Problems with the Umbilical Cord: The umbilical cord is a baby’s lifeline. If it becomes knotted, pinched, or wrapped too tightly around the baby’s neck (a nuchal cord), the flow of oxygen can be cut off.
  • Placental Issues: The placenta provides oxygen to the baby from the mother. If the placenta peels away from the uterine wall too early (placental abruption) or doesn’t function correctly, the baby may struggle to breathe.
  • Prolonged or Difficult Labor: When labor lasts too long, often defined as more than 12 to 18 hours, it can put immense stress on the baby. In fact, studies show that prolonged labor is a significant risk factor for asphyxia.
  • Maternal Health Conditions: Certain health issues in the mother can increase the risk, including:
    • High blood pressure (preeclampsia)
    • Severe anemia
    • Infections during pregnancy
    • Low blood sugar or diabetes
  • Meconium Aspiration: If a baby passes their first stool (meconium) while still in the womb, they might breathe it into their lungs. This can block their airways and make it hard for them to get oxygen after they are born.

What Are the Warning Signs of Birth Asphyxia?

Recognizing the signs early can make a big difference in your baby’s outcome. Medical teams are trained to look for these symptoms right after birth.

Some of the most common warning signs include:

  • Low Apgar Score: This test is done right after birth to check a baby’s heart rate, breathing, muscle tone, and reflexes. A low score may indicate oxygen deprivation.
  • Difficulty Breathing: Slow, weak, or irregular breathing can be a sign that the baby is not getting enough oxygen.
  • Blue or Pale Skin: A lack of oxygen can cause the baby’s skin to appear bluish, especially around the lips and fingertips.
  • Weak Muscle Tone: Babies may appear limp or have little movement if their brain was affected by oxygen loss.
  • Seizures: In more serious cases, seizures may occur within hours after birth and require immediate medical attention.

What are the Long-Term Effects?

The brain is very sensitive to oxygen loss. Depending on how long the baby was without oxygen, the effects can range from mild to severe.

  • Cerebral Palsy: This is a group of disorders that affect movement and muscle tone.
  • Seizures: Many babies who experience asphyxia may have seizures shortly after birth.
  • Developmental Delays: Children may reach milestones, like walking or talking, later than their peers.
  • Vision or Hearing Loss: The parts of the brain that process sight and sound can be damaged by a lack of oxygen.

How Can Medical Mistakes Lead to Asphyxia?

While some causes of birth asphyxia are natural complications, others may be linked to the care provided at the hospital. Medical teams have a responsibility to monitor the health of the mother and the baby closely. When they fail to do so, the results can be devastating.

Some common examples of medical errors include:

  • Failing to monitor fetal distress: Not noticing or acting on changes in the baby’s heart rate.
  • Delaying a C-section: Waiting too long to perform an emergency delivery when the baby is in trouble.
  • Misusing medication: Using drugs like oxytocin (Pitocin) incorrectly, which can cause contractions that are too strong and limit the baby’s oxygen.
  • Improper use of delivery tools: Using vacuums or forceps with too much force.

If you believe your child’s injury was caused by a mistake, speaking with a birth injury lawyer can help you understand your legal options and seek the support your family needs.

When Should You Be Concerned About Medical Negligence?

Every birth is different, but there are specific “red flags” that suggest the standard of care wasn’t met. You might feel the need for a deeper look if:

  • Your instincts were dismissed: You felt something was wrong, but your concerns were brushed aside by the staff.
  • Warning signs were ignored: Fetal distress signals appeared on the monitor, yet the medical team didn’t take immediate action.
  • The clock ran out: There was a clear need for an emergency C-section, but it was delayed or poorly managed.
  • Monitoring was lax: The baby’s heart rate wasn’t watched closely, missing the window to intervene.

Trust your intuition. If your delivery felt chaotic or if you felt unheard, asking questions isn’t just about legalities. It’s about getting the answers your family deserves.

Speak With a Birth Injury Attorney About Your Child’s Birth Asphyxia Claim

Birth asphyxia can have lasting effects on your child and your family. When something goes wrong during labor or delivery, it is normal to have questions about what happened and whether it could have been prevented.

At Lowenthal & Abrams, P.C., we help families understand what happened during labor and delivery. Our team includes a medical doctor and a nurse who carefully review records to identify where care may have fallen short.

We work on a contingency fee basis, so you do not pay anything unless we recover compensation for you.

Contact us online for a free consultation. Let’s talk about your situation and how we can help support your family.

LOWENTHAL AND ABRAMS, P.C.

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