Early pregnancy can be detected as early as about 10-15 days after sexual intercourse and can be confirmed by taking a blood test at the hospital to detect the level of chorionic gonadotropin in the body. For women with regular menstrual cycle, they can test for pregnancy by morning urine test after 7 days of menstruation. If you want to have an ultrasound to confirm pregnancy, you need to wait 42 days after menopause to check whether there is a gestational sac in the uterine cavity, if there is no gestational sac in the uterus, ectopic pregnancy is considered and needs to be treated in time. Menopause is the earliest reaction and the most important symptom of pregnancy. Women of childbearing age who have sexual intercourse, excluding menstrual irregularities, if there is a 7-day delay in menstruation, consider whether you are pregnant, pay attention to the dietary problems in early pregnancy, pregnancy reactions will occur between early pregnancy, often showing nausea, vomiting, anorexia, strengthen the management of the diet, mainly light.