Anophthalmia and microphthalmia Anophthalmia and microphthalmia are birth defects of the eye that can cause vision problems or blindness. Treatments can help babies with these conditions.
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.
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.