The second time you have sex and bleeding, it is possible that the first time you have sex, the wound laceration has not completely healed, the second time you have sex and cause local laceration, will cause the possibility of bleeding again, it is recommended to keep the local clean, and if necessary, change underwear regularly. Sex is a normal physiological need, but if you do not pay attention, it may lead to disease, especially newlyweds, if you do not pay attention to the hygiene of sexual life, may lead to the occurrence of female urinary tract infection symptoms, such as frequent urination, urinary urgency, painful urination, it is recommended to do external genital cleansing before and after sex to reduce the possibility of genital tract infection and urinary tract infection, and also recommended in sex The best way to reduce the possibility of urinary tract infection is to urinate after sex.