Female birth control pills are 99.9% effective and are a popular contraceptive method. Are there any adverse effects of birth control pills? What should you pay attention to when using it? The main functions of birth control pills are to inhibit ovulation, change the consistency of cervical mucus and resist implantation, thereby achieving contraceptive purposes. Ninth, it can be used by married women of childbearing age, who are in good health and free of acute and chronic hepatitis, nephritis, malignant tumors, diabetes, hypertension, heart disease, phlebitis, and who are not breastfeeding. The effect is reliable.

Short-acting contraceptive pills are formulated with synthetic estrogen and progesterone. For some women, the content of the two may not be just right, resulting in adverse reactions. At this time, it is necessary to take the medicine. Women should pay attention to it and take necessary measures to avoid harm to the body caused by drugs.

The 5 most common adverse reactions of birth control pills:

1. Facial pigmentation

Some women who take the pill for a long time may have a pregnancy-like appearance on their cheeks Butterfly spots are caused by estrogen-induced pigmentation. People who have pigmentation during pregnancy are more likely to develop it after using birth control pills, and it is related to sun exposure.

2. YD Bleeding

Many women will experience persistent spotting or breakthrough bleeding similar to menstrual flow while taking the medicine. This is related to missing a dose, taking the contraceptive pill late, or the contraceptive pill is not effective enough. If vaginal bleeding occurs in the first half of the menstrual cycle, it often indicates that the dose of estrogen is too small; if it occurs in the second half of the cycle, it indicates that the dose of progesterone is not enough to maintain the endometrium.

3. Oligomenorrhea or amenorrhea

Many female friends will report that after taking contraceptive pills, the menstrual flow becomes less, or even amenorrhea occurs. What happened? It turns out that contraceptive pills can make zg The endometrium is underdeveloped and the glands secrete insufficiently, so the endometrium cannot grow normally and becomes thinner, resulting in reduced menstrual flow. Due to the excessive inhibitory effect of birth control pills, some women do not experience withdrawal bleeding after stopping the drug and experience amenorrhea.

4. Weight gain

Some women are reluctant to take birth control pills because they are afraid that drugs will cause weight gain. Indeed, some ingredients in contraceptive pills can cause weight gain: androgens can cause hyperphagia or acne, especially within the first 3 months of taking oral contraceptives; elevated estrogen levels can cause water and sodium retention, thus leading to Weight gain occurs during the second half of menstruation; progesterone promotes anabolism, leading to weight gain. It is worth mentioning that the incidence of weight gain is only about 15%.

5. Early pregnancy-like reactions

Early pregnancy-like reactions are more common, accounting for about 50% of the people who take the medicine. Most of the symptoms are severe at first, then mild, and then gradually disappear, which may be related to the body's gradual adaptation. It manifests as loss of appetite, nausea, vomiting, even fatigue, dizziness and other reactions similar to those in early pregnancy. It often occurs during the 1st to 2nd week of taking the medicine. This reaction is related to the stimulation of the gastric mucosa by the estrogen in the contraceptive pill.

The main functions of contraceptive pills are to inhibit ovulation, change the consistency of cervical mucus and resist implantation, thereby achieving contraceptive purposes. 9. It can be used by married women of childbearing age, who are in good health and free of acute and chronic hepatitis, nephritis, malignant tumors, diabetes, hypertension, heart disease, phlebitis, and who are not breastfeeding. The effect is reliable

Short-acting contraceptive pills are formulated with synthetic estrogen and progesterone. For some women, the content of the two may not be just right, resulting in adverse reactions. At this time, women taking the pill should pay attention and take Necessary measures should be taken to avoid harm to the body caused by drugs.