Many unmarried men and women have already started living together in a marriage hall, but contraception is a special concern! In sex life, most female friends choose to make themselves pregnant during sex. Taking medicine to choose contraception, but taking contraceptives often leads to some adverse reactions! Because eating contraceptives is simple and convenient for female friends, but effective contraception, but many female friends often ignore the medicine three This statement of poisoning. Contraceptives do have effective contraception, but contraceptives can also affect women’s health. There are many adverse reactions to taking birth control pills. 1, bleeding bleeding and leakage, late medication contraceptives or contraceptives are not effective enough. If the vaginal bleeding occurs in the first half of the menstrual cycle, it often indicates that the estrogen dose is too small; if it occurs in the second half of the cycle, then it indicates that the progesterone dose is not enough to maintain the endometrium. 2, weight changes, some ingredients in contraceptives can lead to weight gain, androgen can cause appetite or hemorrhoids, especially in the first 3 months of taking oral contraceptives; elevated levels of estrogen cause water, sodium retention , thus causing weight gain in the second half of the menstrual cycle; progesterone promotes anabolism, leading to weight gain. It is worth mentioning that the incidence of weight gain is only about 15%. 3, menstrual abnormal contraceptives can lead to endometrial hypoplasia, gland secretion is insufficient, so the endometrium can not grow normally and thin, resulting in a decrease in menstrual flow. Individual women have excessive inhibition of contraceptives, and withdrawal bleeding does not occur after stopping the drug, and amenorrhea occurs. 4, pigmentation Some women who take longer to take the drug can appear like a butterfly spot in pregnancy, which is caused by estrogen pigmentation. Pregnancy is very easy to produce after pigmentation in people with contraceptives and is associated with sun exposure. 5, like early pregnancy response Early pregnancy reaction is very common, about 50% of the number of people occupying medicine. Most of the symptoms are first and then light, and then gradually disappear, which may be related to the body’s gradual adaptation. It is characterized by loss of appetite, nausea, vomiting and even fatigue, dizziness and the like. It usually takes place in the first 1-2 weeks of taking the drug. This reaction is related to the stimulation of the gastric mucosa by estrogen in the contraceptive.