Does i-pill cause infertility?

No, taking an i-pill, which is an emergency contraceptive pill, does not cause infertility. At SCI Hospital, we explain to our patients that i-pills are designed for emergency use to prevent a pregnancy at that specific time, for instance, after unprotected intercourse. They work by preventing or delaying the release of an egg or by stopping sperm from fertilizing an egg. The effects of the i-pill are short-lived. Once it has worn off, a woman's fertility returns to its previous level, and it does not affect her ability to conceive later in life.