title: [Menstrual blood loss and body iron stores: comparative study between a Multiload-375 IUD and a levonorgestrel vaginal ring].
authors.forename: J P
authors.initials: JP
authors.lastname: Souza
authors.forename: A T
authors.initials: AT
authors.lastname: Andrade
authors.forename: E
authors.initials: E
authors.lastname: Pizarro
mesh_terms: D000569:Americas; D001695:Biology; D001769:Blood; D001938:Brazil; D002677:Chile; D003267:Contraception; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003274:Contraceptive Devices, Female; D003906:Developing Countries; D005193:Family Planning Services; D006454:Hemoglobins; D007434:Intrauterine Devices; D007435:Intrauterine Devices, Copper; D007501:Iron; D007843:Latin America; D016912:Levonorgestrel; D008598:Menstruation; D010827:Physiology; D012098:Reproduction; D012106:Research; D013020:South America
chemical_list: D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D006454:Hemoglobins; D016912:Levonorgestrel; D007501:Iron
keywords: Americas; Biology; Brazil; Chile; Comparative Studies; Contraception; Contraceptive Agents; Contraceptive Agents, Female; Contraceptive Agents, Progestin; Contraceptive Methods; Developing Countries; Family Planning; Hemic System; Hemoglobin Level; Iud; Iud, Copper Releasing; Latin America; Levonorgestrel; Menstruation; Physiology; Reproduction; Research Methodology; Serum Iron Level; South America; Studies; Vaginal Rings