Achondroplasia Achondroplasia is a birth defect that prevents a baby's cartilege from turning into bone as it should. Learn how achondroplasia is treated.
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.
Sex during pregnancy Having sex during pregnancy is generally safe for most women. Learn how pregnancy affects your sex life, and when to talk to your health care provider.