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Microgynon 30/Microgynon 30 ED is a combined oral contraceptive, commonly known as a 'birth control pill' or 'the Pill'.
When taken correctly, Microgynon 30/Microgynon 30 ED prevents the patient from becoming pregnant in several ways, including: inhibiting ovulation (egg release); changing the cervical mucus consistency, making it more difficult for the sperm to reach the egg; changing the lining of the uterus, making it less suitable for implantation.
When the Pill is taken by women under close observation in clinical trials, it is more than 99% effective in preventing pregnancy. However, in real life the Pill is around 92% effective. This is because pills might have been missed, may have been taken with medicines that interfere with their effectiveness, or may not be absorbed due to vomiting or diarrhoea.
