The following are the side effects of taking the pill: First, the most common clinical side effect is that it can cause menstrual disorders, resulting in menstrual disorders or spotting-like bleeding. If you take the emergency contraceptive pill, you may also experience withdrawal bleeding, which is the most common clinical symptom. Second, after taking the pill will make weight gain, water and sodium retention, will cause obesity, so many women are therefore reluctant to take the pill. Third, because the pill is a combination of estrogen and progesterone, after eating it will make the face discoloration, affecting the beauty of women. The above three points are the side effects often seen in the clinic taking the pill.