Girls will bleed when they have sex for the first time, but they may or may not bleed when they have sex for the second time, as follows: 1, if the hymen ruptures and bleeds less during the first time of sex, or if a girl’s hymen is thicker and very rich in blood vessels and bleeds more, it is more likely to bleed when having sex for the second time; 2, if the period between a girl’s first sexual intercourse and the second sexual intercourse is If the time between the girl’s first sexual intercourse and the second sexual intercourse is shorter, the hymen repair is not completed, which is easy to cause the occurrence of bleeding again, and it is recommended to have intercourse after one week. Some women in the first time to have sex, due to the hymen rupture incomplete, again coitus caused hymen rupture again, or the wound is abrasive is also prone to bleeding. It is recommended that women should pay attention to vaginal hygiene, keep the vagina dry and clean, and avoid having sex when bleeding to prevent infection.