Investigating prevalence rate and effective parameters on switching contraceptive methods

A change in the method of contraception result to changing in women''s protection against pregnancy and they may encountered with unwanted pregnancy، therefore this study performed with aim determine of prevalence rate and effective parameters on switching contraceptive methods in women referred to health centers in the Tabriz. This study was a descriptive - analytical and a kind of cross- sectional that performed on 861 women in the ages of fertility (15-49). The research population was women in the ages of fertility that sampled by systematic random. The data were gathered by the researcher made five-part questionnaire. The value of questionnaire was gauged by content validity and test-re-test reliability (r=0. 86). The questionnaire based on the factors in switching of methods was formed in 5 parts: demographic characteristic، medical and fertility history، side effects of contraceptive methods، dissatisfaction of contraceptive method، and effective factors the choice of a new method or continue the previous method of contraception. Face-to-face interview was used to complete the questionnaire. The data analyzed at two levels of descriptive and inferential statistics by software of SPSS v. 13. The mean age of women was 31/32 years. The prevalence rate of contraception methods switching was 16. 8 percent. The results showed significant relation between the experience of side effects in hormonal methods (P=0. 01) and condom method (P=0. 001) by switching of the contraceptive methods. The most common side effect was mood changes for hormonal methods، an increased in volume of menstrual blood for IUD method، and vaginal sensitivity for condom method. Also the results showed significant relation between the dissatisfaction of hormonal methods (P<0. 001)، condom method (P<0. 001) and traditional methods (P=0. 01) by switching of the contraceptive methods. The most common dissatisfaction factor was forgetting of consumption for hormonal methods، fear of IUD fending off or having experimentation about it for IUD method، low quality of product result to lack of husband''s desire in use for condom method and fear of fair in contraceptive method or having experimentations about it for traditional methods. Side effects of contraceptive methods and dissatisfaction of methods are the two effective factors in switching of contraceptive methods. In many cases health services providers can hope to long using of contraceptive and the effectiveness of their by providing sufficient education about the side effects، prescribing methods according to limitations and unique characteristics of clients and being of services in form of client-centered.