BloodThe world's most famous and outspoken gynaecologist (The Guardian) fights myths and fearmongering with real science, inclusive facts, and shame free advice on the topic that impacts more than 1. 8 billion people worldwide: menstruation. Women can expect to have between 350 and 450 periods in a lifetime. So why is real information so hard to find? Despite its significance, most education about menstruation focuses either on increasing the chances of