Is it normal to have a small amount of bleeding while taking the short-acting pill?

The most common reasons for small amounts of bleeding during oral administration of combined short-acting contraceptives (COC) are that the medication has just been started or that the medication has been missed, but organic diseases of the reproductive tract and pregnancy-related diseases should be ruled out.
The most common reasons for small amounts of vaginal bleeding during COC are just starting to take the pill or missed doses, the first three months of the pill, due to hormonal changes in the body will appear a small amount of vaginal bleeding, the rate of its occurrence is as high as 30%, generally in the third month can be reduced to about 10%, the drug missed doses will also appear bleeding.
If you exclude organic lesions of the reproductive tract, pregnancy-related diseases, generally do not need too much intervention, can be relieved on their own, such as the use of drugs for more than three months still occurs, should be timely gynecological outpatient consultation.
COC is a compound preparation of progesterone and estrogen, which can be used for contraception and treatment of excessive menstruation, but it should be applied with caution to women with high risk of thrombosis, and if there is any discomfort during the process of taking it, timely gynecological outpatient consultation should be made.