What harm does taking a contraceptive pill have

Take a contraceptive pill on the body and will not be very big, if you regularly take contraceptives, there may be nausea, vomiting, pigmentation, bleeding between menstruation, menstrual delay. It is recommended that the number of emergency contraceptives within a year should not exceed three times. Short-acting contraceptives contain estrogen, progesterone, the dose is relatively low, you can add menstrual cramps on the 5th day of oral administration, a day for 21 days to stop taking pills. Long-term use is easy to show liver and kidney dysfunction.