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.
Keeping breast milk safe and healthy Breast milk is the best food for your baby during the first year. See what substances and foods to avoid while breastfeeding.