Estradiol hemihydrate is a synthetic form of oestrogen (like the hormone oestrogen naturally found in your body but made in a lab).
Many contraceptive pill brands contain exactly the same hormonal ingredients as each other, but are simply branded with a different name. To make it easier to understand the differences, we put them into groups.
What are blood clots and does contraception increase the risk? We spill all.
The magic pill which is 99% effective in preventing pregnancy
In order to understand how contraception affects our bodies – we first need to make sure we understand how our bodies work naturally, without any contraception interfering with things. If you haven’t thought much about the hormones that control your menstrual cycle since ‘The Talk’ in Year 8, then read on.