title: Fetal sex and severe hyperemesis gravidarum.
authors.forename: C D
authors.initials: CD
authors.lastname: Hsu
authors.forename: F R
authors.initials: FR
authors.lastname: Witter
mesh_terms: D006063:Chorionic Gonadotropin / Q000097:blood; D005260:Female; D005333:Fetus; D006801:Humans; D006939:Hyperemesis Gravidarum / Q000503:physiopathology*; D011247:Pregnancy; D012744:Sex Ratio
chemical_list: D006063:Chorionic Gonadotropin