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Birth Control Pills - Efficacy

Written by Dr. Sangamithra, MBBS | Medically Reviewed by Dr. Ramya Ananthakrishnan, MD Dr. Simi Paknikar on Jul 27, 2020
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Efficacy of Birth Control Pills / Oral Contraceptive Pills

The combined or phasic pill is very efficient (92-99.7%) if taken within six days after periods or abortion.

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If it is taken at any other time it requires a period of one month to become effective. Failure rate is very negligible in the order of, 0.05-0.08%. Its efficiency is reduced when it is not consumed on a regular basis or if taken in combination with other medications like certain antibiotics and drugs for seizures, migraine disorder, and anti-TB drugs. The herbal supplement, St. John's wort also interferes with the functioning of The Pill. The birth control pills do not protect a woman against sexually transmitted (STDs).

References:

  1. Birth Control Pill - (http://kidshealth.org/teen/sexual_health/contraception/contraception_birth.html)

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Comments

sheena_hines

What are the side effects of taking contraceptive pills? Do all women who take this pills face the side effects? Is there any way to avoid this side effects?

yogendra1993

i had sex on 3rd day of menstrual cycle. and it did not occur again after 35 day. can i pregnant.

Chinni123

What happens when virgin takes M-pill, not knowing that she is a virgin? Anything serious happens?

vkgtss61

my wife mensus was on 5th aug we had sex on 18th how to control birth

aisha786

i am 17 years old. i had sex before 2 months and i takes i-pill after 2 month.can i be pregnent.

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