Delayed menstruation with increased leukorrhea is mainly due to pregnancy, pelvic inflammatory disease, menstrual irregularities and other factors. It is recommended to consult a doctor in time to identify the cause and treat it under the doctor’s guidance. 1. Pregnancy: As the levels of estrogen and progesterone are higher after pregnancy, the secretion of the glands in the female reproductive tract is more vigorous, resulting in delayed menstruation and increased leukorrhea. Patients are advised to take blood HCG test or use early pregnancy test paper for confirmation. 2. Pelvic inflammatory disease: Women suffering from pelvic inflammatory disease, such as endometritis, may also show increased leukorrhea and irregular menstruation, accompanied by lumbosacral pain. 3. Irregular menstruation: due to the patient’s stress, too much anxiety, irregular work and rest, which may lead to delayed menstruation, leukorrhea increase, it is recommended that the patient to develop a good habit of life, relax. There may also be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment.