It takes about 14 days after sexual intercourse for pregnancy to be detected through a blood test for chorionic gonadotropin values. The time between the couple’s sexual intercourse and the detection of pregnancy is related to the time of ovulation. If the ovulation function is normal, the day of ovulation is mostly about 14 days before the next menstrual period, and it is easy to get pregnant if you have intercourse before or after this time. After intercourse after the formation of the fertilized egg 7-10 days will be planted on the endometrium to implant, after implantation, the embryo secretion of chorionic gonadotropin into the body of the female, manifested as the formation of the fertilized egg after the formation of the 7-10 days will be planted on the endometrium, that is, implantation, after implantation, the embryo secretion of chorionic gonadotropin into the body of the female, generally 1 week after the urine pregnancy test (+), blood HCG (+), diagnosis of Pregnancy. Therefore it is said that pregnancy can be clarified about 14 days after sexual intercourse. Since the time of ovulation is not set in stone, it will be affected by the environment, emotions, medication and other factors, but also because the usual menstrual cycle is not normal, the time of ovulation is uncertain when you can not project the time of pregnancy based on the time of coitus. Women who are planning to get pregnant, keep a good mood, avoid anxiety, live a regular life, do not stay up late, such as 2 weeks after intercourse or menstruation delayed for 1 week, you can self-test urine pregnancy test or go to the hospital to draw blood to check the value of chorionic gonadotropin, and early to clarify whether the pregnancy.