title: Endometriosis and estroprogestins: the chicken or the egg causality dilemma.
abstract: Dysmenorrhea as a reason to initiate estroprogestins is significantly more common in women with endometriosis than in women without the disease. This might explain the previously reported mild association between endometriosis and past use of oral contraceptives.
authors.affiliation: Department of Obstetrics, Gynecology, and Neonatology, Fondazione Cà Granda, Milan, Italy. dadosomigliana@yahoo.it
authors.forename: Edgardo
authors.initials: E
authors.lastname: Somigliana
authors.forename: Paolo
authors.initials: P
authors.lastname: Vercellini
authors.forename: Paola
authors.initials: P
authors.lastname: Vigano
authors.forename: Annalisa
authors.initials: A
authors.lastname: Abbiati
authors.forename: Laura
authors.initials: L
authors.lastname: Benaglia
authors.forename: Luigi
authors.initials: L
authors.lastname: Fedele
mesh_terms: D000328:Adult; D016022:Case-Control Studies; D003276:Contraceptives, Oral / Q000008:administration & dosage / Q000009:adverse effects; D004338:Drug Combinations; D004412:Dysmenorrhea / Q000188:drug therapy* / Q000453:epidemiology; D004715:Endometriosis / Q000188:drug therapy* / Q000453:epidemiology; D004997:Ethinyl Estradiol / Q000008:administration & dosage* / Q000009:adverse effects; D005260:Female; D006801:Humans; D009652:Norpregnenes / Q000008:administration & dosage* / Q000009:adverse effects; D012307:Risk Factors
chemical_list: D003276:Contraceptives, Oral; D004338:Drug Combinations; D009652:Norpregnenes; C494367:estroprogestin; D004997:Ethinyl Estradiol