Symptoms of contraceptive failure after the emergency contraceptive pill

The emergency contraceptive pill is a contraceptive method used to prevent pregnancy when having sex without protection. Generally, the emergency contraceptive pill is effective if taken within 72 hours. However, there are individual cases where contraception fails due to improper use of the pill or other reasons. Of course, after contraception fails, if you use an early pregnancy test, it will show a positive result.

Common side effects

1) Nausea: After taking the medicine, the symptoms of nausea generally last no more than 24 hours. 2) Vomiting: Taking the medicine with food or before going to bed can reduce the incidence of nausea and vomiting. If you vomit within 1 hour after taking the emergency contraceptive pill, you should take another dose as soon as possible. [Enteric-coated contraceptives] Because they dissolve in the intestines, there is no need to take them again. 3) Irregular uterine bleeding: Some women will experience spotting after taking the medication, which generally does not require treatment, but the user must be made aware of this situation and provide consultation and education before and after taking the medication. 4) Menstrual changes: Most women have their periods on time, but some women have their periods early or late. If your period is delayed by a week, you should do a urine pregnancy test to determine whether emergency contraception has failed.

5) Changes in ovulation period: Taking emergency contraceptive pills will affect the menstrual cycle. Women should try to use highly effective contraceptive methods after this, and avoid taking risks with emergency contraceptive pills or unscientific contraceptive methods such as safe period and ejaculation outside the body, which can lead to infertility in severe cases. 6) Others: breast tenderness, headache, dizziness, fatigue, etc. These symptoms are generally mild and last no more than 24 hours. Severe breast pain and headache can be treated with aspirin or other painkillers.

Precautions for taking medicine

⑴ Emergency contraceptive pills can only have a post-contraceptive effect on the previous sexual intercourse. After taking the pills, you cannot have unprotected sexual intercourse again. ⑵ A small amount of vaginal bleeding after taking the medicine is not a sign of successful contraception. If there is no menstrual-like bleeding, you should go to the hospital for examination as soon as possible. ⑶ If vomiting occurs within 1 hour after taking the medicine, you should take another dose as soon as possible. ⑷ Emergency contraceptive pills can only be used occasionally and cannot replace conventional contraceptive methods. ⑸ Pregnant women are prohibited from using emergency contraceptive pills because they have no abortion effect on an established pregnancy. ⑹ The earlier you take the medicine after unprotected sex, the better the effect of preventing unwanted pregnancy.

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