What is full-term? A full-term pregnancy lasts between 39 weeks and 40 weeks, 6 days. Babies born full term have the best chance of being healthy.
Marijuana and pregnancy Using marijuana during pregnancy may cause harm to your baby. Learn about the effects of marijuana and how to seek help to quit.
Spina bifida Spina bifida is when a baby's spine doesn't form correctly. It may cause a number of health problems and requires treatment.