How long after ovulation can be detected

Ovulation period coitus, if sperm and eggs meet to form fertilized eggs, about 7 days can produce chorionic gonadotropin, so generally in the same room after 10 days can check whether peripheral blood chorionic gonadotropin elevated to detect pregnancy. But if you want to pass urine early pregnancy test paper detection, you need to be in the ovulation period after 14 days of coitus.