Morning sickness Morning sickness is nausea during pregnancy that typically starts at 6 weeks. Learn about morning sickness symptoms, relief and prevention.
Low birthweight Low birthweight is when a baby is born weighing less than 5 pounds, 8 ounces. Learn about the causes, risks and health-related effects of low birthweight.
Lead poisoning Lead poisoning occurs from high levels of lead in your water or environment. Learn about the risks of lead poisoning in children.