My menstruation came on the 24th of last month and postponed it by 11. How is it going on?

Menstruation delay may be due to mental stress, lack of sleep time and improper diet caused by endocrine disorders symptoms; if there is cohabitation, may be due to pregnancy symptoms of menopause, in addition, suffering from endometriosis, endometriosis and cystic ovary syndrome can also appear irregular menstrual symptoms.