title: [Endometrial effects of norethindrone in daily uninterrupted microdoses].
authors.forename: R
authors.initials: R
authors.lastname: Salum
authors.forename: E
authors.initials: E
authors.lastname: Reis Lopes
authors.forename: E
authors.initials: E
authors.lastname: Chapadeiro
mesh_terms: D001695:Biology; D003267:Contraception; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003276:Contraceptives, Oral; D004717:Endometrium; D005193:Family Planning Services; D005835:Genitalia; D005836:Genitalia, Female; D009640:Norethindrone; D010827:Physiology; D045167:Progesterone Congeners; D012106:Research; D014566:Urogenital System; D014599:Uterus
chemical_list: D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003276:Contraceptives, Oral; D045167:Progesterone Congeners; D009640:Norethindrone
keywords: Biology; Clinical Research; Contraception; Contraceptive Agents; Contraceptive Agents, Female; Contraceptive Agents, Female--side effects; Contraceptive Agents, Progestin; Contraceptive Agents, Progestin--side effects; Contraceptive Agents--side effects; Endometrial Effects; Endometrium; Family Planning; Genitalia; Genitalia, Female; Norethindrone--side effects; Oral Contraceptives; Physiology; Progestins, Low-dose; Research Methodology; Urogenital System; Uterus