Placental Insufficiency: Causes, Symptoms, and Treatment
Medically reviewed by Harsha Moole, MD, Internal Medicine. Last reviewed: October 2, 2026.
What kind of doctor treats Placental Insufficiency?
Placental insufficiency is treated by an obstetrician. Some women are also cared for by a maternal-fetal medicine specialist, an obstetrician with extra training in high-risk pregnancies. A direct primary care or concierge doctor can be a first stop for an evaluation and can refer you to a specialist when needed.
What it is
Placental insufficiency means the placenta does not work as well as it should. The placenta passes food and oxygen from mother to baby, so the baby may get fewer nutrients and grow more slowly than expected. Doctors sometimes call this placental dysfunction or fetal growth restriction.
Symptoms
The mother often feels no clear symptoms, which is why regular prenatal checkups matter. The belly may measure smaller than expected, and the baby may move less than usual. The mother may also have signs of preeclampsia, dangerously high blood pressure during pregnancy.
Causes and who gets it
Placental insufficiency can happen when the blood vessels in the placenta do not develop properly, limiting blood flow to the baby. Maternal high blood pressure, diabetes, anemia, kidney disease, and blood clotting problems raise the risk, as do smoking, alcohol or drug use, and carrying twins or multiples. It is more common in women younger than 20 or older than 35.
How doctors diagnose it
Doctors measure the size of the mother's belly at each visit. An ultrasound can show whether the baby is smaller than expected, and a Doppler ultrasound checks blood flow through the placenta. Fetal heart rate monitoring may also be used.
Treatment
Treatment depends on how far along the pregnancy is and how the baby is doing. The doctor will monitor the baby closely with ultrasounds and heart rate checks. The mother may be told to rest and avoid smoking, and some babies may need to be delivered early.
When to see a doctor
Call a doctor right away if the baby is moving much less than usual. Seek care for vaginal bleeding, severe swelling, bad headaches, or vision changes, which can be signs of preeclampsia. Regular prenatal visits matter even when nothing feels wrong.
How a direct primary care or concierge doctor fits in
A direct primary care doctor charges a flat monthly fee instead of billing insurance, while a concierge doctor usually charges more and often works alongside insurance. Either can help by managing conditions like high blood pressure before pregnancy, answering questions between prenatal visits, and referring the patient to an obstetrician or maternal-fetal medicine specialist when placental insufficiency is suspected. After the baby is born, they can continue caring for the mother's overall health.
Common questions
Can placental insufficiency be prevented?
Not always, but the risk can be lowered. Controlling blood pressure and diabetes, not smoking, and getting regular prenatal care all help. Some women may be given low-dose aspirin, but only a doctor should decide this.
Will I need early delivery because of placental insufficiency?
Early delivery is sometimes needed if the baby is not getting enough oxygen or nutrients. The timing depends on how the baby is doing and how far along the pregnancy is.
Does placental insufficiency mean my baby will not grow?
Not necessarily. It means the placenta is not delivering enough oxygen and nutrients, which can slow the baby's growth. Many babies do well when the condition is found early and watched closely.
Could placental insufficiency happen again in my next pregnancy?
It can, especially if the cause was a health condition like high blood pressure that is still present. Talking with a doctor before a future pregnancy can help lower the risk.
Sources
- American College of Obstetricians and Gynecologists - Special Tests for Monitoring Fetal Well-Being
- MedlinePlus - Placental insufficiency
Medical Disclaimer
This content is for general educational and informational purposes only and is not medical advice. It is not a substitute for professional medical advice, diagnosis, or treatment, and reading it does not create a doctor-patient relationship. Always seek the advice of your physician or another qualified health provider with any questions about a medical condition, and never disregard or delay seeking professional advice because of something you read here. If you think you may have a medical emergency, call 911 (or your local emergency number) immediately.
