Is it harmful to take emergency contraception three times a month?

Patient's question:

No

Doctor's answer:

Side effects of birth control pills may include endocrine disorders, irregular menstruation, amenorrhea, infertility, or gastrointestinal discomfort, headaches, weight gain, nervousness, low mood, skin hyperpigmentation and acne, etc. Birth control pills should not be used more than three times within a year, and only once per month. It is recommended that you adopt other contraceptive measures.