title: Letter: Klinefelter's syndrome in a fetus.
mesh_terms: D006063:Chorionic Gonadotropin / Q000097:blood; D005260:Female; D005865:Gestational Age; D006801:Humans; D007713:Klinefelter Syndrome / Q000196:embryology*; D008297:Male; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D011248:Pregnancy Complications
chemical_list: D006063:Chorionic Gonadotropin