You can take the pill orally even if you don’t ejaculate into the vagina during ejaculation, but it’s best to take the pill orally during ovulation to be on the safe side. In the 72 hours after intercourse oral emergency contraceptive pill, through hormonal interference with the sperm and egg combination to prevent conception, but will lead to menstrual cycle disorders, or with a small amount of vaginal bleeding, some sensitive people will also appear nausea, vomiting and other gastrointestinal reactions. In the aftermath of the calm state of mind, to avoid anxiety and tension, to maintain pubic hygiene and cleanliness, to develop good habits, sleep on time, do not stay up too late, to avoid emotional fluctuations that lead to disorders of the menstrual cycle, the next menstrual period is pushed back by a week, you can go to the hospital to check it out.