Tommy's PregnancyHub Early pregnancy bleeding and progesterone - a guide to download Progesterone treatment may prevent a miscarriage if you are bleeding in early pregnancy (before 12 weeks) and have had a miscarriage before. If you are bleeding, download this guide to progesterone treatment and take it with you to see your healthcare professional. Breadcrumb Home PregnancyHub For health professionals Early pregnancy bleeding and progesterone We've created a downloadable factsheet about early pregnancy bleeding and progesterone for you to download below. We also have a web page about progesterone and miscarriage here Download your guide to early pregnancy bleeding and progesterone Review dates Reviewed: 10 November 2022 Next review: 10 November 2025 Read more about progesterone Taking progesterone in early pregnancy Progesterone is a hormone that plays an important role in the menstrual cycle and in maintaining the early stages of pregnancy. If you have miscarried before an Read more about 'Taking progesterone in early pregnancy' The PRISM trial - bleeding in early pregnancy and miscarriage The PRISM trial investigates whether progesterone can reduce the risk of miscarriage in women who have vaginal bleeding in early pregnancy. Read more about 'The PRISM trial - bleeding in early pregnancy and miscarriage' Giving some pregnant women progesterone could prevent 8,450 miscarriages a year, say experts New research has revealed the benefits of giving progesterone to women with early pregnancy bleeding and a history of miscarriage. Read more about 'Giving some pregnant women progesterone could prevent 8,450 miscarriages a year, say experts'