Genetic and chromosomal conditions Genes and chromosomes can sometimes change, causing serious health conditions and birth defects for your baby. Learn about these changes and testing for them.
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.
Influenza (flu) and pregnancy Get the flu shot during pregnancy. It helps protect you and your baby from serious health problems. Learn the signs and symptoms of flu.