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Objective:To explore the male condom use and the using problems as well as the influencing factors amongShanghai women.Methods:A prospective follow-up was conducted among1 562 subjects who used either the condom or the combined regimen as their method for fertility regulation in nine districts inShanghai.The study began in theOctober,2003 with a baseline survey, and finished in theDecember,2007.There were two groups, groupI with condom use combined regimen(condom+ECP) and groupII with condom use only.Totally812 eligible subjects were assigned to groupI, and750 to groupII.Data was collected with a daily diary card, on which menses, acts of intercourse, information on condom andECP use, and condom using problems were recorded.Data were analyzed with binary logistic regression modelsadjusting the potential confounding factors.Results:During the whole study years, in groupI the mean condom using frequency was(59.5±17.9) times and the whole course condom using frequency was (58.1±18.5).In groupII, the mean condom using frequency and the whole course condom using frequency are(57.4±19.0) and(56.4±19.7), respectively.The condom using problem rate(CUPR) in groupI and groupIIin the first month were5.05 and9.64 per100 condoms.With the progress of the study, theCUPR in both groups were decreasing.The total year’sCUPR in groupI and group II were0.82% and1.45%(P=0.002).The study showed that the common condom using problems during the1st year were too loose(41.9% in groupI and27.1% in groupII), too long(15.6% in group I and25.6% in groupII), and too slippery(21.2% in groupI and20.2% in groupII) among those reported condom using problems.Condom problems were more common in the inexperienced and in those who had not experienced problems previously.Subject’s age, education and occupation might influence condom using problem rate.Conclusions:The condom using problems indicated that condom manufacturers should continue to refine the products so as toincrease the condom acceptability.Experience was significant associated with condom using problem.