How long does postinor last

Question

Asked for Female, 21 Years

I had sex on Wednesday took postinor 2 on Friday and had sex on Sunday 4:00 am in the morning do I have to take another postinor?

Answers (2)

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Dr. Bipin Ninan Abraham

General Physician 7 yrs exp Bangalore

Postinor-2 contains Levonorgestrel, Postinor-2 is an emergency contraceptive only. Postinor-2 is not intended as a regular method of contraception. It is used to prevent pregnancy when taken within 72 hours of unprotected intercourse. It is estimated that Postinor-2 will prevent 85% of expected pregnancies. 95% of expected pregnancies will be prevented if taken within the first 24 hours, declining to 58% if taken between 48 hours and 72 hours after unprotected intercourse. You should use other safe sex practices such as condoms, diaphragms, etc. If you don't get your periods within 3 weeks of taking the pill then you should do a urine pregnancy test to confirm pregnancy.

Next Steps

Follow the steps as advised

Health Tips

Do not have the emergency contraceptive for regular contraception

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Dr. Varun H Shah Infertility Specialist 13 yrs exp Mumbai · Accepted Answer

Dr. Varun H Shah

Infertility Specialist 13 yrs exp Mumbai

Well it seems unlikely for you to take another one. But it all depends on what day of cycle it was and why was first time it was taken almost 2 days after. A good advice is to really use sole contraception for this. As taking such Med's has higher failure rates and is not safe for your body at times.

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