Combined oral contraceptive (COC) pills prevent pregnancy, mainly by stopping ovulation from occurring. Around 150 million women use the birth control method across the world. However the pills ...

However, most modern COC pills contain less estrogen than this, making them much safer. Most COCs contain between 10 to 35 mcgs of estrogen. COCs come in either 21- or 28-day packets. Those ...

Considering how widespread COC use is, it is important to better understand ... but it is important to be aware that the pill can have an effect on the brain. Our aim is to increase scientific ...