How do natural hormones work?
Your menstrual cycle is controlled by two sex hormones made by your ovaries: one called oestrogen, the other progesterone (a progestogen). Oestrogen increases during the first half of your menstrual cycle, and makes your womb develop a thick lining, ready to receive the egg if conception happens. Progesterone comes later in the cycle and changes the lining of the womb still further to prepare it for pregnancy. If you do not become pregnant, you make less of these hormones and this causes the lining of your womb to break down and the lining leaves your body as a period. But during pregnancy, your ovaries, and then the placenta (this attaches the growing baby to the womb and gives it food), carry on making progesterone and oestrogen to stop any more eggs being released. How does the pill work? A pill such as Femodene contains hormones which are like those your body produces (oestrogen and progestogen). These help stop you from getting pregnant, just as your natural hormones would stop yo
