It is not normal to have a period for half a month, it is likely to be ovulatory bleeding. If the amount is relatively small and the time is relatively short, it belongs to ovulatory bleeding, which is a normal physiological phenomenon. If the amount of menstruation is more, it may be a menstrual disorder, mostly due to poor ovarian function and endocrine disorders, you can see a doctor to do a hormone six check, you can also do an ultrasound to understand the situation of the endometrium, and then give the appropriate treatment under the guidance of the doctor. If the B-ultrasound belongs to uterine fibroids, you can take appropriate treatment measures according to the size of the fibroids and the growth rate and frequency of bleeding, how much bleeding and whether it affects your body.