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International Federation of Gynecology and Obstetrics
Implications of cycle length immediately after discontinuation of combined oral contraceptives on use of the Standard Days Metho
Wednesday, 21st July 2010
Publication year: 2010
Source: International Journal of Gynecology & Obstetrics, In Press, Corrected Proof, Available online 21 July 2010
Marcos, Arévalo , Irit, Sinai , Bruna, Olivotti , Luis, Bahamondes
Objective: To determine when after discontinuing the use of combined oral contraceptives (COC) women can start using the Standard Days Method (SDM)—a fertility awareness-based family-planning method that is appropriate only for women for whom most menstrual cycles last 26–32days. Methods: We reviewed data from the medical records of women who attended the Human Reproduction Unit at the University of Campinas, Brazil, between October 16, 1979, and May 5, 2006. The study population comprised women younger than 40years of age who had recently switched from COC to copper intrauterine devices and whose clinical records contained the information necessary for determining the length of the...
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