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.
Marfan syndrome Marfan syndrome is a birth defect that affects the body's connective tissue. Learn the signs and symptoms of Marfan syndrome and how it's treated.
Bleeding and spotting from the vagina during pregnancy Bleeding or spotting during pregnancy are common, but you should contact your health care provider to make sure everything's okay.