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The mini pill (also known as the Progesterone-Only Pill) contains just progesterone, and prevents unwanted pregnancy by stopping fertilisation.
About Mini Pills (Progesterone-Only)
The mini pill contains only one hormone: progesterone. It is often suitable for women who cannot use contraception containing oestrogen (a hormone used alongside progesterone in more common contraceptives such as the combined pill). This may include women with previous blood clots, high blood pressure, or those who are overweight.
The important thing to note about the mini pill is that most brands must be taken at the same time daily (Cerazette and Cerelle being two exceptions). If you are more than three hours late to take the mini pill, you will not have contraceptive protection. With this in mind, it is a good idea to make taking the mini pill part of your regular daily routine or set an alarm to make sure you take it on time. In addition, use condoms to stop the transmission of STIs.
How the mini pill works
The mini pill works by thickening the mucus at the entrance to the womb, so it is harder for sperm to penetrate into the womb and reach an egg. Some varieties of the mini pill also stop ovulation. The most common side effect when this pill is commenced is irregular bleeding, but this tends to be light and usually settles down within 3 months.
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