Help us understand more about periods and why some people bleed heavily.
Recruiting now. £30 voucher and a free smart menstrual cup to keep.
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What we are researching, and why periods can tell us so much.
2Who is eligible, and the steps involved in signing up.
3How collection works at home, using the kit we send you.
4What to weigh up before deciding whether to take part.
This study aims to improve our understanding of menstrual fluid (period blood) and the different types of cells it contains. We want to find out how these cells vary between individuals and how they relate to reproductive health conditions.