Latin American experience with two low–dose oral contraceptives containing 30 μg ethinylestradiol/75 μg gestodene and 20 μg ethinylestradiol/150 μg desogestrel
S Bassol, A Alvarado, C Celis, MC Cravioto, O Peralta… - Contraception, 2000 - Elsevier
The objective of this study was to compare cycle control, efficacy and tolerance of an oral
contraceptive containing 20 μg ethinylestradiol and 150 μg desogestrel with a preparation
containing 30 μg ethinylestradiol combined with 75 μg gestodene. This study involved 342
women and 4104 cycles use in Argentina, Brazil, Chile, and Mexico. Contraceptive efficacy
was good with both formulations. Two pregnancies occurred in the desogestrel group but
were not due to method failure. With respect to cycle control, the incidence of intermenstrual …
contraceptive containing 20 μg ethinylestradiol and 150 μg desogestrel with a preparation
containing 30 μg ethinylestradiol combined with 75 μg gestodene. This study involved 342
women and 4104 cycles use in Argentina, Brazil, Chile, and Mexico. Contraceptive efficacy
was good with both formulations. Two pregnancies occurred in the desogestrel group but
were not due to method failure. With respect to cycle control, the incidence of intermenstrual …
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