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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Are Emergency Contraceptives Sufficient To Prevent Pregnancy?

hello doctor.. i m 26 yr old..i had sex wth someone on 14 nov and take Emergency contraception pills on 15. my period date was 6 oct.. and last time i had my periods on 1 dec. but very light and for just one day.. i took HPT and it 's -ive.. is it possible that i m pregnent.?? i m worried... should i have to take another pregnency test..help

Fri, 23 Jan 2015
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General & Family Physician,  's  Response
Welcome to HealthcareMagic,
Emergency contraceptive pills are an effective method of contraception. It is very effective if it is taken within 12 hours. The sooner you will take more it will be effective It is 95% effective within 24 hours of unprotected sex, 85% between 25 – 48 hours and 58% if taken between 49 – 72 hours.
As you have taken the pill within 24 hours most probably you are not pregnant. After taking an emergency pill the menstrual cycle and duration will get altered. But do not worry as it will get rectified within a month or two. Use a condom next time as it will also protect you from sexually transmitted diseases and HIV. Hope that answers your question.
Regards, Dr.Imaad.
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Are Emergency Contraceptives Sufficient To Prevent Pregnancy?

Welcome to HealthcareMagic, Emergency contraceptive pills are an effective method of contraception. It is very effective if it is taken within 12 hours. The sooner you will take more it will be effective It is 95% effective within 24 hours of unprotected sex, 85% between 25 – 48 hours and 58% if taken between 49 – 72 hours. As you have taken the pill within 24 hours most probably you are not pregnant. After taking an emergency pill the menstrual cycle and duration will get altered. But do not worry as it will get rectified within a month or two. Use a condom next time as it will also protect you from sexually transmitted diseases and HIV. Hope that answers your question. Regards, Dr.Imaad.