To determine whether you are pregnant clinically, attention includes: 1. history of menopause, such as menstruation is usually regular, have normal sex life, suddenly menopause for more than 35 days may be pregnant. 2. test by early pregnancy test paper, when the usual menstrual cycle is 30 days, menopause for more than 35 days can use the morning urine to do early pregnancy test to know whether you are pregnant. 3. test by drawing blood HCG, blood HCG is more sensitive than urine HCG. 4. The sensitivity of HCG is higher than that of urine HCG, so you can take a blood test at 31 or 32 days after menopause. 4. Do an ultrasound, if a gestational sac is found in the uterus through ultrasound, you can be sure of intrauterine pregnancy.