Placental Insufficiency Malpractice

The placenta is the working connection between mother and baby during pregnancy. It transfers oxygen and nutrients into the fetal circulation, removes waste, produces hormones, and helps regulate fetal growth. When the placenta cannot keep up with the baby’s needs, the consequences may appear gradually through poor growth or suddenly through an abnormal fetal assessment.

Oxygen is really the key. Many birth injury cases our lawyers investigate involve a compromised placenta and a baby who is no longer tolerating the pregnancy well. The legal question is rarely whether placental insufficiency can be dangerous. The fight is usually over when the warning signs became clear, what additional surveillance was required, and whether delivery should have occurred sooner.

Some placental injuries cannot be prevented. A malpractice case may exist when the available information called for serial growth studies, Doppler testing, maternal-fetal medicine consultation, hospitalization, closer fetal surveillance, or delivery, and the delay probably caused an avoidable injury.

What Is Placental Insufficiency?

Placental insufficiency, also called placental dysfunction or uteroplacental insufficiency, is a clinical description of inadequate placental function rather than a diagnosis established by one laboratory value or imaging result. The fetus receives less oxygen and fewer nutrients than it needs. The condition may arise because the placenta developed abnormally, maternal blood flow is impaired, placental tissue is damaged, or the placenta cannot meet the increasing demands of the pregnancy.

The placenta does not send maternal blood directly into the baby. Maternal and fetal circulations remain separate while oxygen, nutrients, carbon dioxide, and waste move across the placental interface. The organ performs work that the baby’s lungs, kidneys, and digestive system cannot yet perform independently.

A normal term placenta commonly weighs about 500 to 600 grams, roughly 1.1 to 1.3 pounds, although normal weight varies. Size alone does not establish function. A placenta can be small, unusually large, structurally abnormal, infarcted, inflamed, or poorly perfused. The pathology report after delivery sometimes provides the first clear physical evidence of what was happening before birth.

Placental insufficiency is closely associated with fetal growth restriction, previously called intrauterine growth restriction or IUGR. It may also contribute to low amniotic fluid, premature delivery, stillbirth, neonatal complications, and chronic fetal hypoxemia. In severe cases, a fetus with limited reserve may be unable to tolerate labor or an acute reduction in oxygen.

Placental Insufficiency, Abruption, Previa, and Accreta Are Different Conditions

These terms are sometimes grouped together because each involves the placenta. They present different risks and do not support the same malpractice theory.

An abruption can produce fetal oxygen deprivation, and previa or accreta may require carefully planned delivery. None should be casually described as another name for placental insufficiency. If you want more detail, our lawyers have separate pages on placenta previa injuries and placenta accreta malpractice.

Warning Signs and Risk Factors

Placental insufficiency often produces no symptom that a pregnant woman can identify on her own. Reduced fetal movement can be an important warning. More commonly, the concern develops from prenatal measurements, ultrasound findings, maternal disease, or antenatal testing.

Maternal and pregnancy conditions associated with a higher risk of placental dysfunction or fetal growth restriction include:

• Chronic hypertension or pregnancy-related hypertension
• Preeclampsia
• Pregestational diabetes with vascular disease
• Kidney, cardiovascular, autoimmune, or clotting disorders
• Smoking, cocaine use, or other exposures that impair blood flow
• Prior fetal growth restriction or stillbirth
• Multiple gestation
• Placental infarction or abnormal placental development

A risk factor does not establish that the placenta is failing. It tells the obstetrical team when additional attention may be warranted. The real work comes from combining the history with serial fetal growth, blood flow, amniotic fluid, movement, and fetal surveillance.

Fundal Height and Fetal Growth

Fundal height is a simple screening measurement from the pubic bone to the top of the uterus. Serial measurements may show that uterine growth has fallen behind the expected curve. The measurement can be affected by maternal body size, fibroids, fetal position, and the amount of amniotic fluid, so an abnormal measurement ordinarily leads to ultrasound rather than a diagnosis by itself.

Ultrasound estimates fetal weight and measures the abdominal circumference, head, and long bones. A single small measurement may reflect constitutionally small size. Falling growth across serial scans, especially with abnormal Doppler findings, presents a different level of concern.

Reduced Fetal Movement

A report of reduced movement deserves a timely assessment based on gestational age and the clinical circumstances. The medical team may use a nonstress test, biophysical profile, ultrasound, or other surveillance. The response cannot be judged from a slogan. It must be judged from the information available at that moment and the danger of sending the mother home.

How Placental Insufficiency Is Evaluated

Placental insufficiency has no single test that settles every case. Doctors identify fetal growth restriction and assess whether the placenta appears to be delivering adequate blood flow and whether the fetus is tolerating the pregnancy.

Ultrasound and Serial Growth

Ultrasound can estimate fetal weight, measure abdominal circumference, assess amniotic fluid, identify major anomalies, and document growth over time. Serial examinations are often more useful than one snapshot because the rate and pattern of growth can expose deterioration.

Umbilical Artery Doppler Studies

Umbilical artery Doppler testing measures resistance to blood flow through the placental circulation. Elevated placental resistance, absent end-diastolic flow, or reversed end-diastolic flow can change the frequency of surveillance and the timing of delivery. These findings are among the most consequential pieces of evidence in a fetal growth restriction case.

Nonstress Tests and Biophysical Profiles

A nonstress test evaluates the fetal heart rate and expected accelerations. A biophysical profile combines fetal heart rate testing with ultrasound observations such as movement, tone, breathing activity, and amniotic fluid. Results must be interpreted with gestational age, Doppler findings, maternal condition, and prior testing.

That monitor is how the baby talks to us. But a fetal tracing is not read in isolation. Lawyers and experts review the full sequence, including baseline rate, variability, accelerations, decelerations, contractions, interventions, and the response of the medical team.

Managing Placental Insufficiency and Deciding When to Deliver

There is no operation that restores a poorly functioning placenta during pregnancy. Doctors can address some maternal conditions, administer corticosteroids when premature delivery is expected, increase surveillance, consult maternal-fetal medicine specialists, and select the safest time and method of delivery.

The timing decision can be difficult. Delivering too early exposes the baby to complications of prematurity. Waiting too long may leave the fetus in an environment it can no longer tolerate. Gestational age, estimated weight, interval growth, Doppler results, amniotic fluid, maternal disease, and fetal testing all enter that decision. The team must also consider whether the hospital can provide the neonatal care the baby is likely to need and, when it cannot, whether timely transfer to a higher-level facility is required.

The strongest malpractice cases usually contain a point when the balance changed and the records show it. An ultrasound may document worsening growth. Umbilical artery flow may become absent or reversed. A nonstress test may remain nonreactive. Recurrent decelerations may develop. Maternal hypertension may worsen. The case then asks what a reasonably careful obstetrical team should have done with that information.

Special Issues in Shared-Placenta Twin Pregnancies

Twins sharing one placenta require a separate analysis. Twin-to-twin transfusion syndrome results from abnormal vascular connections within a monochorionic placenta. TTTS is a distinct complication with its own surveillance and treatment issues. The Society for Maternal-Fetal Medicine recommends determining chorionicity early and beginning ultrasound surveillance for TTTS at 16 weeks in monochorionic diamniotic pregnancies. You can review the SMFM guidance on TTTS.

Our lawyers are handling a case involving monochorionic diamniotic twins and TTTS. The practical lesson is narrow but important. A twin pregnancy involving a shared placenta requires a monitoring plan designed for that pregnancy.

When Placental Insufficiency Becomes a Malpractice Case

A diagnosis and a bad outcome do not establish negligence. Our lawyers look for a preventable breakdown in care and a medical connection between that breakdown and the child’s injury.

Most viable claims fall into one or more of these categories:

• Failure to identify abnormal growth: The provider did not measure fundal height appropriately, did not investigate a lagging measurement, or failed to order serial growth ultrasounds when indicated.
• Failure to recognize maternal risk: Hypertension, preeclampsia, prior growth restriction, vascular disease, or another condition called for additional surveillance that was never arranged.
• Failure to act on Doppler or ultrasound findings: The records documented abnormal blood flow, poor interval growth, or low amniotic fluid without an adequate change in the plan.
• Improper discharge: A mother reporting reduced fetal movement or presenting with concerning testing was sent home without adequate evaluation or follow-up.
• Failure to escalate care: The obstetrician delayed consultation with maternal-fetal medicine, transfer to a higher-level hospital, or neonatal planning.
• Delayed delivery: The team continued the pregnancy or labor after the fetus showed that its reserve was failing.

The key legal question is whether a reasonably careful obstetrician facing the same information would have changed the plan. Causation then asks whether that change probably would have prevented the brain injury, stillbirth, neonatal death, or other harm.

How Placental Dysfunction Can Harm a Baby

Placental insufficiency may produce chronic fetal hypoxemia and inadequate nutrient delivery. Common consequences include fetal growth restriction, low birth weight, medically indicated premature delivery, low amniotic fluid, and stillbirth. Newborns may experience hypoglycemia, polycythemia, difficulty maintaining temperature, feeding problems, respiratory complications, or admission to intensive care.

A cerebral palsy claim requires more than a history of placental insufficiency. Experts examine cord blood gases, Apgar scores, resuscitation, seizures, neonatal encephalopathy, brain MRI, placental pathology, the timing and type of cerebral palsy, and alternative causes. Some placental conditions contribute to brain injury before labor. Others reduce fetal reserve and make an otherwise manageable labor dangerous. The timing must fit the medicine.

Placental pathology can be especially important. Infarcts, maternal vascular malperfusion, fetal vascular malperfusion, inflammation, thrombosis, abnormal maturation, or other findings may help experts understand the nature and timing of the problem. Pathology does not independently prove negligence or causation. When placental pathology is clinically indicated, failure to preserve and examine the placenta can eliminate evidence that cannot later be recreated.

Evidence Our Lawyers Examine

A good placental insufficiency investigation follows the pregnancy in chronological order. We usually obtain and review:

• Prenatal office records and maternal medical history
• Fundal height measurements and growth charts
• Ultrasound images, reports, and fetal biometry
• Umbilical artery and other Doppler studies
• Nonstress tests and biophysical profiles
• Maternal-fetal medicine consultation records
• Triage records and communications about reduced fetal movement
• Electronic fetal monitoring strips and nursing notes
• Medication administration and maternal vital signs
• Decision and incision times for cesarean delivery
• Umbilical cord gases, Apgar scores, and resuscitation records
• NICU records, EEG results, and brain imaging
• Placental photographs, gross examination, slides, and pathology report

The date on which a provider first suspected growth restriction can be less important than what happened next. Did the office schedule the study? Did anyone review the result? Was the mother told to return? Did the hospital have the prior ultrasound? Those ordinary handoffs are where preventable injuries often begin.

 

Placental Insufficiency Malpractice FAQs

What is placental insufficiency?

Placental insufficiency means placental blood flow or exchange is inadequate to meet the fetus’s needs. It is commonly associated with fetal growth restriction, abnormal umbilical artery blood flow, low amniotic fluid, and an increased risk of stillbirth or medically indicated premature delivery.

Does fetal growth restriction prove malpractice?

No. Growth restriction can occur despite appropriate care, and some small fetuses are healthy. A malpractice claim requires evidence that the providers failed to respond reasonably to the information available and that a different response probably would have prevented the injury.

Can placental insufficiency cause cerebral palsy?

Placental dysfunction can contribute to chronic hypoxemia, loss of fetal reserve, neonatal encephalopathy, and brain injury. Establishing that it caused cerebral palsy in an individual child requires a complete review of the prenatal course, delivery, cord gases, newborn condition, MRI findings, placental pathology, and alternative causes.

When should doctors deliver a growth-restricted baby?

There is no universal delivery date. The decision depends on gestational age, estimated fetal weight, interval growth, umbilical artery Doppler findings, amniotic fluid, fetal testing, and maternal disease. The team must also determine whether the hospital can provide the neonatal care the baby is likely to need and, when it cannot, whether timely transfer to a higher-level facility is required.

Can placental insufficiency cause stillbirth?

Yes. Severe placental dysfunction can deprive the fetus of adequate oxygen and nutrients and increase the risk of fetal death. Whether a stillbirth was preventable depends on the warning signs, surveillance, gestational age, maternal condition, and whether earlier delivery probably would have produced a surviving child.

What records are most important in a placental insufficiency case?

Serial growth ultrasounds, Doppler reports, nonstress tests, biophysical profiles, triage records, fetal monitoring strips, delivery records, cord gases, neonatal imaging, and placental pathology are usually central. Earlier prenatal records establish what the providers knew and when the plan should have changed.