title: Fetal sex pridiction by sex chromatin of chorionic villi cells during early pregnancy.
mesh_terms: D002824:Chorionic Villi / Q000648:ultrastructure*; D005260:Female; D006801:Humans; D010920:Placenta / Q000648:ultrastructure*; D011247:Pregnancy; D012728:Sex Chromatin; D012732:Sex Determination Analysis