title: Vaginal pH effects caused by OCs and various copper and inert IUDs.
authors.forename: O
authors.initials: O
authors.lastname: Kandil
authors.forename: M K
authors.initials: MK
authors.lastname: Hassanein
authors.forename: A
authors.initials: A
authors.lastname: El-tagi
authors.forename: M T
authors.initials: MT
authors.lastname: El-shirbini
mesh_terms: D003267:Contraception; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined; D005193:Family Planning Services; D007434:Intrauterine Devices; D007435:Intrauterine Devices, Copper; D008597:Menstrual Cycle; D008598:Menstruation; D012098:Reproduction; D012106:Research
chemical_list: D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined
keywords: Comparative Studies; Contraception; Contraceptive Agents; Contraceptive Agents, Female; Contraceptive Methods; Family Planning; Iud; Iud, Copper Releasing; Iud, Unmedicated; Menstrual Cycle; Menstruation; Oral Contraceptives; Oral Contraceptives, Combined; Reproduction; Research Methodology; Studies