What are the symptoms of unsuccessful contraception?

The final manifestation of unsuccessful contraception is pregnancy. The main manifestation of pregnancy is menstrual delay. With contraceptives, especially the contraceptive pill, it will generally show menstrual delay. Therefore, this menstrual delay and pregnancy should be distinguished. Urine or blood HCG positive is a clear indicator of pregnancy. Hematuria HCG positive is considered contraceptive failure. Hematuria HCG positive to identify intrauterine pregnancy or ectopic pregnancy, because some contraceptive measures, such as intrauterine ring contraceptive failure after the proportion of ectopic pregnancy will be significantly increased, so to cause attention.