Articles Progesterone Implantation in Habitual Abortion Br Med J 1953; 1 doi: https://doi.org/10.1136/bmj.1.4819.1073 (Published 16 May 1953) Cite this as: Br Med J 1953;1:1073 Article Related content Metrics Responses Peer review Related articles No related articles found. Cited by... Does first trimester progesterone prophylaxis increase the live birth rate in women with unexplained recurrent miscarriages?Fulltext PDF