Contraceptive efficacy of 200μg R2323 and 10μg R2858

dc.contributor.authorRall H.J.S.
dc.date.accessioned2011-05-15T16:16:08Z
dc.date.available2011-05-15T16:16:08Z
dc.date.issued1981
dc.description.abstractInvestigation into the contraceptive efficacy of 200 μg R2323 (13-ethyl-17-hydroxy-18, 19-dinor-17α-pregna-4, 9, 11-trien-20-yn-3-one) and 10 μg R2858 (11β-methoxy-17α-ethinyl-oestradiol) as a combination pill, was carried out in a group of 86 healthy females of proven fertility during 667 cycles (mean 7.74 cycles). A total of 10 pregnancies occurred for a pregnancy rate of 19.5, computed by the Pearl formula, but only four were considered drug failures. Although side-effects were generally minimal, one case of cerebral thrombosis was reported. Only two women complained of menorrhagia and three developed amenorrhoea while on therapy. Papanicolaou smears were taken at two- to three-month intervals for a total of 161 smears and no malignant changes were recorded.
dc.identifier.citationClinical Trials Journal
dc.identifier.citation18
dc.identifier.citation6
dc.identifier.issn00099325
dc.identifier.urihttp://hdl.handle.net/10019.1/13650
dc.subjectcontraceptive agent
dc.subjectgestrinone
dc.subjectmoxestrol
dc.subjectadverse drug reaction
dc.subjectcontraception
dc.subjectmenorrhagia
dc.subjectmethoxyethinylestradiol
dc.subjectocclusive cerebrovascular disease
dc.subjectoral drug administration
dc.subjectpregnancy
dc.subjectprevention
dc.subjectsecondary amenorrhea
dc.titleContraceptive efficacy of 200μg R2323 and 10μg R2858
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