Like HowStuffWorks on Facebook!

Pregnancy Complications

Pregnancy complications range from minor to life threatening for the mother, baby, or even both. Learn about possible complications including preterm birth, post-term birth, gestational diabetes, and more in this section.

Featured
Placenta Previa

Placenta previa can result in heavy bleeding during labor and delivery, which can be dangerous for mother and baby. Learn what happens when a woman suffers from placenta previa.


Cervical Incompetence

Cervical incompetence is one of the primary causes of miscarriages. Learn what's happening when a woman suffers from cervical incompetence. See more »

Chickenpox During Pregnancy

Usually chickenpox is a benign illness, but in a pregnant woman it can cause serious complications for mother and baby. Learn about the dangers of having chickenpox during pregnancy. See more »

How to Cope With Pregnancy Bed Rest

Bed rest is no vacation. Activities you normally enjoy are limited. Learn about the physical, mental and emotional effects of bed rest during pregnancy. See more »

Miscarriage Questions

From signs of miscarriage to confirmation of a miscarriage, read the answers to common miscarriage questions and learn about miscarriage signs and symptoms and the causes of miscarriages. See more »

Placental Abruption

Placental abruption can deprive the fetus of oxygen and in severe cases can endanger the life of mother and baby. Learn what happens when a woman suffers from placental abruption. See more »

Placenta Previa

Placenta previa can result in heavy bleeding during labor and delivery, which can be dangerous for mother and baby. Learn what happens when a woman suffers from placenta previa. See more »

Pregnancy Infections

Getting sick when you're pregnant can be a very scary situation. Not only do you feel ill, but some illnesses could hurt your baby. Learn what infections you need to worry about and what you should do when you fall ill. See more »

Pregnancy Symptoms You Should Not Ignore

A woman's body goes through a range of changes during pregnancy, and it's sometimes hard to know what's worth worrying about. Find out what symptoms warrant a call to your obstetrician. See more »

Premature Rupture of Membranes

One in 10 pregnant women experience premature rupture of membranes. What should you do when your water breaks early? See more »

Fibroid tumors occur in 50 to 80 percent of women. Read the answers to these commonly asked questions about pregnancy and fibroids. See more »