Clubfoot Clubfoot is a birth defect of the foot that may affect your baby's ability to walk normally. Learn how clubfoot is treated.
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.
Smoking during pregnancy Smoking during pregnancy can cause problems like premature birth and birth defects. If you need help to quit smoking, tell your health care provider.