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.
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.
Folic acid Folic acid is vitamin B9, which can help prevent neural tube defects in your baby. Learn which supplements and foods are good sources of folic acid.