Microgynon 30 Tabs 21'sMicrogynon 30 is a combined oral contraceptive pill (the Pill). You take it to stop you getting pregnant. This contraceptive contains two types of female sex hormones, oestrogen and progestogen. These hormones stop you getting pregnant by working in three ways: by preventing an egg being released from your ovaries; by making the fluid (mucus) in your cervix thicker, which makes it more difficult for sperm to enter the womb; and by preventing the