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.
Genital and urinary tract defects Learn what causes genital and urinary tract defects and see how they affect your baby's health.
Weight gain during pregnancy Gaining the right amount of weight supports your baby's development, but too much can be harmful. How can you track your weight gain during pregnancy?