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Marvelon contains two hormones that are involved in controlling the release of eggs and the ability to implant them in the womb. This is used to prevent pregnancy
This is an oral contraceptive pill that contains two hormones; an oestrogen and a progesterone. The oestrogen changes the body's hormone balance so that your ovaries do not produce an egg (ovulate).It also causes the mucus made by the neck of the womb (cervix) to thicken. This makes it difficult for sperm to get through to the womb (uterus) to fertilise an egg..The progesterone also makes the lining of the womb thinner. This makes it less likely that a fertilised egg will be able to attach to the womb.
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