Maternal cell contamination of amniotic fluid cell cultures: results of a U.S. nationwide survey.
D000649:Amniocentesis / Q000379:methods; D000653:Amniotic Fluid / Q000166:cytology*; D002478:Cells, Cultured; D003625:Data Collection; D003951:Diagnostic Errors; D005260:Female; D005821:Genetic Techniques / Q000592:standards*; D006801:Humans; D007753:Laboratories; D009339:Needles; D011247:Pregnancy; D011296:Prenatal Diagnosis; D014481:United States