Zika virus and pregnancy infographic Zika infection during pregnancy causes a birth defect called microcephaly and other brain problems. Learn how to protect yourself from Zika.
Lead poisoning Lead poisoning occurs from high levels of lead in your water or environment. Learn about the risks of lead poisoning in children.
Spina bifida Spina bifida is when a baby's spine doesn't form correctly. It may cause a number of health problems and requires treatment.