How Should I Take Levonorgestrel as an Emergency Contraceptive Pill?

Levonorgestrel is a common contraceptive drug, which belongs to emergency contraceptives, also known as post-coital contraceptives. It is used when there is no contraceptive measure taken during sexual intercourse and pregnancy is feared. It can be taken within 72 hours of sexual intercourse. The contraceptive effectiveness of Levonorgestrel is relatively high, but it is also necessary to be aware of its side effects when using it. After taking the drug, it may lead to menstrual disorders.

1. How to Take Levonorgestrel Emergency Contraceptives

Emergency contraceptives are mainly aimed at post-coital remedial needs, with a contraceptive effectiveness rate of about 85%. Compared to regular short-acting oral contraceptives, which can achieve a very reliable contraceptive effect of over 99% when taken correctly, emergency contraceptives should only be used occasionally as a remedial measure and not as a routine contraceptive method. This is because its high dose and relatively large side effects. Generally, emergency contraceptives should be taken as soon as possible within 72 hours after sexual intercourse, with the first tablet taken within 72 hours and a second tablet taken 12 hours later. It is generally recommended to take emergency contraceptives no more than once a month and no more than three times a year.

2. Side Effects of Emergency Contraceptives

1. Nausea: The symptoms of nausea usually last no more than 24 hours after taking emergency contraceptives.

2. Vomiting: Taking the drug with food or before bedtime can reduce the incidence of nausea and vomiting. If vomiting occurs within 1 hour after taking emergency contraceptives, another dose should be taken as soon as possible.

3. Irregular uterine bleeding: Some women may experience spotting after taking the drug, which generally does not require treatment, but the user should be informed of this situation and receive consultation and education before and after taking the drug.

4. Menstrual changes: Most women will have regular menstrual cycles, but some may have advanced or delayed menstruation. If menstruation is delayed for more than a week, a urine pregnancy test should be performed to determine whether the emergency contraception has failed.