title: Premature luteinization defined by an increased progesterone/estradiol ratio on day of human chorionic gonadotropin administration is a manifestation of diminished ovarian responsiveness to controlled ovarian hyperstimulation.
authors.forename: Johnny S
authors.initials: JS
authors.lastname: Younis
authors.forename: Izhar
authors.initials: I
authors.lastname: Ben-Shlomo
authors.forename: Moshe
authors.initials: M
authors.lastname: Ben-Ami
mesh_terms: D006063:Chorionic Gonadotropin / Q000008:administration & dosage*; D004334:Drug Administration Schedule; D004958:Estradiol / Q000032:analysis / Q000097:blood*; D005260:Female; D006801:Humans; D007247:Infertility, Female / Q000097:blood / Q000175:diagnosis; D034461:Luteinization / Q000502:physiology*; D010053:Ovary / Q000187:drug effects / Q000502:physiology*; D010062:Ovulation Induction / Q000379:methods; D011374:Progesterone / Q000032:analysis / Q000097:blood*; D011379:Prognosis; D013997:Time Factors
chemical_list: D006063:Chorionic Gonadotropin; D011374:Progesterone; D004958:Estradiol