Rh disease RH factor is a protein on some people's red blood cells. Learn how RH disease affects your baby and how to prevent it.
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.