How does emergency contraception work

Emergency contraceptive pills or morning-after pills are taken to prevent unwanted pregnancy. If your method of birth control does not work, or if you have unprotected sex, you may take emergency contraceptive pills to prevent pregnancy. 

For example - when you've missed a pill or the condom was not used properly, emergency contraception can come to your rescue. 



These pills are of two types - 

The emergency contraceptive pills or the morning-after pill

Intrauterine Device (IUD or coil)

Emergency contraceptive pills must be taken within 72 hours, or three days after unprotected sex since these pills are not effective after 72 hours. How does emergency contraception work differently depending on where you are in your menstrual cycle. The egg cannot be released if you have not yet ovulated.

This pushes back the ovulation cycle, which ultimately prevents or delays the release of the egg. In case, ovulation has already taken place, these pills create a hostile environment for fertilization and implantation in the uterus and prevent you from becoming pregnant. 

It may not be effective to prevent pregnancy after unprotected sex if the morning-after pill is taken after 72 hours, i.e, 3 days. It is important to note that emergency contraceptives fail between 10% to 18% of the time. 


Location: Mumbai, Maharashtra, India

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