Bleeding 3 days after taking the pill after ovulation is still relatively heavy bleeding is usually normal. Ovulation a pill contraception, refers to the emergency contraceptive pill, due to the hormone dose is large, after taking may appear nausea, vomiting, irregular vaginal bleeding and menstrual disorders and other side effects, so in the ovulation a pill after 3 days of bleeding, the bleeding is still relatively large is generally normal, do not need special treatment. Taking emergency contraceptive pills is a remedial contraceptive measure after unprotected sex, to be taken within 72 hours after sex, to be taken under the guidance of a doctor, and to be discharged from the liver and kidney insufficiency and other contraindications. However, emergency contraceptive pills are only effective for one time of sexual intercourse, and you still need to take contraceptive measures when you have intercourse again. However, due to the high side effects of emergency contraceptive pills, it is not recommended as a regular contraceptive measure.