Fetoscopy and fetal biopsy.
D001706:Biopsy / Q000379:methods*; D001778:Blood Coagulation Disorders / Q000097:blood; D001800:Blood Specimen Collection / Q000379:methods; D005260:Female; D005312:Fetal Blood / Q000032:analysis; D020669:Fetoscopes; D005332:Fetoscopy / Q000379:methods*; D005333:Fetus / Q000473:pathology*; D006453:Hemoglobinopathies / Q000097:blood; D006801:Humans; D010920:Placenta / Q000098:blood supply; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*; D014465:Ultrasonics