Can pregnancy be detected 10 days after ovulation

10 days after ovulation coitus, sometimes blood HCG will rise, but urine pregnancy test often can not be detected. Generally 1-2 weeks after coitus can be detected blood HCG rise, 2-3 weeks can detect urine pregnancy test positive. If coitus day pregnancy and the formation of fertilized eggs, fertilized eggs will be implanted in the endometrium 7-10 days after formation. After implantation, HCG secreted by the gestational sac enters the mother's body, showing blood HCG rise, generally a week later showed urine pregnancy test positive. Therefore, the earliest performance of bleeding HCG after cohabitation is about a week, and the urine pregnancy test is positive about two weeks. Of course, the day of cohabitation is not necessarily pregnant, sperm can survive in women for 3-4 days, and there are reports that the longest can survive for about a week. During this period of time, as long as there is ovulation, there is a possibility of pregnancy. The time when blood and urine HCG are positive is delayed accordingly.