A comparative study of Norinyl 1/35 versus Brevicon in Panama City, Panama |
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Authors: | A. J. Moreno Dr. Amanda J. Rowan |
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Affiliation: | 1 Santo Tomas Hospital, Panama City, Panama 2 Family Health International, Research Triangle Park, N.C., U.S.A. |
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Abstract: | A comparative study of Norinyl 1/35 and Brevicon was conducted at the APLAFA clinic in Panama City, Panama. The study sought to evaluate the differences in continuation rates and the frequency of selected side effects which might contribute to method discontinuation. The 300 subjects were randomly allocated to one of the two oral contraceptives. Women in the Brevicon group reported significantly more (p <0.05) intermenstrual bleeding, nausea, headaches, dizziness and vaginal discharge than women in the Norinyl 1/35 group. The total discontinuation rate at 12 months was 28.0 for the Norinyl 1/35 group and 46.7 for the Brevicon group, and this difference was significant (p <.01). Also, significantly more women (p <.01) in the Brevicon group discontinued for menstrual problems than women in the Norinyl 1/35 group. No pregnancies were reported during this study. While both oral contraceptives appear safe and effective, Norinyl 1/35 was more acceptable to this group of Panamanian women. |
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