On February 25, 65438, I had sex with my husband. Later, I took birth control pills. After that, 654381October 2 came to have a holiday. Next month, I came on June 25th, 3 1.

The bleeding 1 day is the beginning of menstrual cycle, and the interval between two menses 1 day is called menstrual cycle, so the calculation of menstrual cycle should include the time of menstrual cramps.

Some women only calculate the time when menstruation is clean, so they may think that the menstrual cycle is shortened. Clinically, some women often complain that menstruation is abnormal, and they menstruate twice a month. In fact, it is normal to have 1 waves at the beginning and end of the month. The normal menstrual cycle is 28 ~ 35 days, and the length of the cycle can vary from person to person. 7 ~ 10 days before or after the mistake can be regarded as a normal range, and as long as it can maintain a certain regularity, it can not be regarded as irregular menstruation.

The duration of menstrual cramps is generally 3 ~ 7 days, and the amount of bleeding is within 100 ml, with the most on the second to third day. Menstrual blood is generally dark red;

After taking emergency contraception on February 25th, 65438, the menstrual cycle was advanced or postponed in June+10, 5438. The menstrual cycle in February will automatically restore the original physiological cycle.