If a woman has bleeding again about half a month after her period, there are several possibilities: First, ovulatory bleeding: bleeding during ovulation is a situation caused by a short drop in hormones and is also related to endocrine abnormalities. Second, cervical disease: If the bleeding occurs after sex, you need to check the cervix to find out if there is cervical disease and some other aspects of the cervix. Third, endocrine abnormalities: many factors can affect endocrine secretion, such as overwork, mood swings, excessive dieting, weight loss, etc., as well as frequent late nights and poor rest. If you have uterine fibroids, ovarian cysts and other diseases, it may also lead to abnormal bleeding during the non-menstrual period, it is recommended to do a check.