Zika virus and pregnancy Zika infection during pregnancy can cause a birth defect called microcephaly and other brain problems. Learn how to protect yourself from Zika.
Over-the-counter medicine, supplements and herbal products during pregnancy If you're pregnant, talk to your provider before taking any medicine, supplement or herbal product. Some of them aren't safe during pregnancy.
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.