Ovulation with a little blood, coitus is generally not a problem. Increased bleeding should be alerted to gynecological diseases, and after diagnosis, coitus is not allowed. When a woman is ovulating, a small amount of blood may be discharged from the lower body, accompanied by a mild increase in body temperature, which is a normal physiological phenomenon, so there is generally no adverse effect on coitus, and you can have normal coitus. In the ovulation period, the vaginal bleeding gradually increased, and accompanied by vaginal itching, pain and other symptoms, may be the existence of gynecological diseases, such as vaginitis, after diagnosis can not have sex, will be cured vaginitis before having sex. You should pay attention to hygiene before and after intercourse during ovulation, and seek medical examination and treatment as soon as possible after you notice symptoms of gynecological diseases to avoid other complications.