Birth defects
Birth defects affect a baby's physical or mental development. They range from minor to severe and may be caused by problems during pregnancy or genetically inherited from a parent's chromosomes. Screening tests can help assess the risk.
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Topic: Introduction to birth defects
Birth defects
The cause of birth defects is often unknown.
Disease clusters
Disease clusters are rare but can cause community concern about the possible effects of exposure to environmental hazards.
