Why does bleeding occur after taking oral contraceptives? What are the side effects of oral contraceptives

1. Introduction to oral contraceptives

Oral contraceptives have the advantages of safety, efficiency, ease of use, and high reversibility. Statistics show that approximately 150 million women worldwide use oral contraceptives for contraception., The first generation contraceptive pills have weak activity, while the second generation has strong activity, but their androgens are also strong, making them prone to side effects such as weight gain and acne. This has also caused people (especially in China) to have many concerns and biases about oral contraceptives for a long time: bias I - can cause cancer; Bias II - has androgenic effects; Bias II - Weight gain. Modern (some people call it the third generation) oral contraceptive pills (including Mafulong, Methialon, and Mindipol) have strong progesterone activity, can effectively inhibit ovulation, and have good contraceptive effects.

2. Causes of bleeding after taking emergency contraceptive pills

The estrogen and progesterone contained in emergency contraceptives can alter the endocrine system of users, leading to hormonal imbalances and the inability of the endometrium to grow and shed, leading to bleeding. If the dosage is insufficient and the short-acting contraceptive pill is suddenly stopped, the levels of estrogen and progesterone in the body will suddenly decrease, losing hormone support, and the endometrium will cause necrosis and vaginal bleeding.

What should I do if I bleed after taking emergency contraceptive pills?

After taking emergency contraceptives, hormonal withdrawal bleeding may occur, leading to premature menstruation. The side effects of contraceptive pills can lead to irregular vaginal bleeding, menstrual disorders, and mild symptoms that generally do not require treatment. It will return to normal within about three months. There will be more bleeding in a few days., It is recommended to go to the hospital for examination to rule out bleeding caused by other reasons. Bleeding after taking emergency contraceptive pills, with a bleeding volume similar to normal menstrual flow, can be considered as a single menstrual cycle. Conventional contraceptive methods should be used immediately after the bleeding is cleaned. If the amount of bleeding is small, no treatment is necessary, but contraception should still be taken care of until the next menstrual cycle.

Irregular vaginal bleeding during menstruation caused by long-term oral contraception can be reduced by adding one ethinylestradiol tablet. If bleeding persists, other contraceptive methods can be used to shorten the menstrual cycle. Take 1-2 short acting contraceptive pills daily for 5 consecutive days 4-5 days before each menstrual period to extend the menstrual period. Excessive or insufficient menstruation. Generally, there is no need for treatment., After stopping the medication, it can return to normal. For individuals with significant increases in menstrual volume, discontinuation of medication should be considered., Further investigate the cause and switch to other contraceptive methods. Breast swelling, palpitations, flushing, low back pain, abdominal pain, etc., After stopping the medication, it can return to normal.