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A randomized prospective study of the use-effectiveness of two methods of natural family planning

1981; Elsevier BV; Volume: 141; Issue: 4 Linguagem: Inglês

10.1016/0002-9378(81)90597-4

1097-6868

Maclyn E. Wade, Phyllis McCarthy, Glenn D. Braunstein, James R. Abernathy, C. M. Suchindran, George S. Harris, H. Danzer, William A. Uricchio,

Ovarian function and disorders

The final results of a prospective comparative study of two methods of natural family planning indicate a significant difference in the 12 month net cumulative pregnancy rates between the ovulation and symptothermal methods. These differences are on the order of two to one in favor of the symptothermal method. Pearl pregnancy rates confirm similar differentials between the two methods. Dropout rates for both methods were high. Lack of interest or dissatisfaction with the method was the major reason for dropout during training while pregnancy or desine for pregnancy were the major reasons for dropout during the formal phase of the study.