Most women have a menstrual cycle that lasts about 28-30 days, and if they usually have normal periods, pregnancy can be detected on the 34th day after menopause. Usually use early pregnancy test paper, with early morning urine to do the test, can be identified, or go to the hospital blood test chorionic gonadotropin, can also detect whether the pregnancy. If you are pregnant, your period will not come, but of course not all causes of delayed menstruation are pregnancy. Poor health, unstable hormone levels, stress, environmental changes, etc. may also affect your period. In addition, if there is usually a delay in menstruation, the detection of pregnancy will be slightly late, to be measured in 34 days can not be detected, then it is recommended to check in a few days.