Taking the pill twice in a month may be a normal menstrual cycle, or it may be a side effect of the pill such as withdrawal bleeding, menstrual disorders, etc., or it may be a contraceptive failure followed by pre-eclampsia, ectopic pregnancy, etc., or it may be a combination of other diseases that cause abnormal vaginal bleeding such as fibroids, other than the normal menstrual cycle, other than the abnormal appearance of the vagina. Common causes and treatments I. Normal menstruation The time to take the pill is on the day of or the day before the first menstruation. The normal menstrual cycle is about 28 days and the period is 3-5 days, if it is 1 week early, it is also normal, there are usually no special symptoms and no special treatment is needed. Second, the side effects of the pill: 1, withdrawal bleeding: the sudden rise and fall of hormone levels after the pill leads to, usually occurs in the 5-7 days after taking the pill, for drip bleeding, patients will be mistaken for menstrual blood, but the amount is small and the duration is shorter than normal menstruation, the second time for normal menstruation, no special treatment; 2, menstrual disorders: long-term use of the pill will lead to hormonal disorders appear menstrual disorders, the normal menstrual period many times The onset of menstruation, should promptly stop the pill, the use of other contraceptive measures such as male condoms, bleeding large amount of timely medical attention. Pregnancy and ectopic pregnancy after contraceptive failure: 1. ectopic pregnancy: the fertilized egg is laid outside the uterus, the earliest vaginal bleeding can occur within 4 weeks after pregnancy, which can be accompanied by abdominal pain, sweating and shock, etc. The pregnancy can be confirmed by checking the human chorionic gonadotropin in the blood, and ectopic pregnancy can be confirmed by ultrasound, which should be terminated in time, using methotrexate and surgery if necessary to avoid life-threatening hemorrhage; 2. pre-eclampsia Miscarriage: abnormal vaginal bleeding within 28 weeks of pregnancy, accompanied by abdominal pain and back pain, mostly with a history of miscarriage, can be treated with oral progestin to preserve the fetus, and when miscarriage is unavoidable, perform a curettage. 4. Combined gynecological diseases: 1. uterine fibroids: the cause is unknown, may be related to abnormal hormone metabolism, generally no abnormality, the fibroids increase may appear irregular vaginal bleeding, abdominal pain, anemia, etc. Mifepristone and tamoxifen can shrink the fibroids and inhibit growth, fibroids that are too large or cause severe bleeding or infertility need to be removed by surgery in time; 2. chronic cervicitis: pathogenic bacterial infection can be caused, accompanied by The treatment of chronic cervicitis can be caused by pathogenic bacteria infection, with irregular menstruation, dysmenorrhea, pelvic heaviness, painful intercourse, etc. Antibiotic treatment after blood culture to identify the infectious agent, with freezing, microwave infrared and other methods, pay attention to perineal cleanliness and good lifestyle habits. 30 years old and above women need to scrape the uterus pathological examination to determine the absence of cancer. Precautions: 1. Suffer from tumor diseases, such as breast tumor or uterine tumor, etc. Contraceptive pills add a lot of hormones, and the onset of gynecological tumor disease is directly related to the disruption of hormone secretion in the body, the use of contraceptive pills during the disease will lead to aggravation of the disease, increasing the difficulty of treatment; 2, suffering from diabetes, nephritis, hypertension, heart disease and other diseases, contraceptive pills will increase the burden on the organs, making the disease more serious.