A–Z Glossary

Rh sensitization

Rh sensitization happens when an Rh-negative pregnant person develops an immune response to Rh-positive fetal blood cells.

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Amniocentesis risks and benefits

Amniocentesis risks and benefits

What amniocentesis involves Amniocentesis is an invasive prenatal diagnostic procedure in which a clinician removes a small sample of amniotic fluid from the uterus using a thin needle, usually under continuous ultrasound guidance. The fluid contains fetal cells and biochemical substances that can be analyzed for chromosomal conditions, selected genetic disorders, fetal infection, and, in […]