title: Diagnosis, four hours after chorion biopsy, of female fetus in pregnancy at risk of Duchenne muscular dystrophy.
mesh_terms: D001706:Biopsy / Q000379:methods*; D002823:Chorion / Q000166:cytology*; D005260:Female; D006579:Heterozygote; D006801:Humans; D009136:Muscular Dystrophies / Q000235:genetics*; D011247:Pregnancy; D012732:Sex Determination Analysis / Q000379:methods*