Contraceptive Pills are effective when taken exactly as directed. Medicine suggests the small chance of failure associated with pills is due to women forgetting a dose or taking the pill at an inconsistent time in the cycle (1, 2). If you have been on birth control pills for several cycles, your normal periods may become irregular and difficult to predict due to breakthrough bleeding and spotting between cycles.
The main types of emergency contraception
The first is a morning-after pill, sometimes called Plan B. It’s an oral emergency contraceptive pills singapore that contains the same hormones found in regular birth control pills. You can get it at any pharmacy without a prescription. Emergency contraceptive pills (ECPs) contain progestin, which is a synthetic version of progesterone, which is normally produced by the ovaries during your menstrual cycle.
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The progestin stops or delays ovulation (the release of an egg). If there’s no egg to fertilize, pregnancy can’t occur.
The second type is called ella. It’s a single-dose pill that stops your ovaries from releasing eggs so you don’t get pregnant. You have to take it within five days after unprotected sex for it to work well.
The third kind is an IUD (intrauterine device).
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It’s a small plastic device that you insert into your uterus to prevent pregnancy for up to 10 years. A doctor or nurse inserts one during an office visit or procedure in a clinic or hospital. The copper IUD (intrauterine device) is a form of emergency contraception that can be inserted up to five days after unprotected sex. It’s more effective the earlier it’s used, but it’s still effective up to five days after.
It can prevent pregnancy by breaking down a fertilized egg
The pill contains the hormones estrogen and progestin (synthetic progesterone). When taken correctly, these hormones prevent the ovaries from releasing an egg (ovulation). They also thicken the cervical mucus, which makes it difficult for sperm to enter the uterus. The hormones in birth control pills also thin the lining of the uterus, so an egg doesn’t attach to it if it does get fertilized.
The most common types of emergency contraceptive pills singapore contain 21 active hormone pills, followed by seven inert or inactive pills that don’t contain any hormones. Other types have more active hormone pills and fewer placebos (see chart below). Each type of pill has its schedule for how often to take action versus placebo pills. For example, some brands may have two weeks of active hormone pills followed by one week without any medicine at all; others may have three weeks.