1. CTRI/2016/09/007278 Role of inflammatory markers in recurrent pregnancy loss and effect of oral micronized therapy on these cases ctri.nic.in/Clinicaltrials/pmaindet2.php?trialid=14740
2. A randomized trial of progesterone in women with recurrent miscarriages;Coomarasamy;New England Journal of Medicine,2015
3. PROMISE: first-trimester progesterone therapy in women with a history of unexplained recurrent miscarriages - a randomised, double-blind, placebo-controlled, international multicentre trial and economic evaluation;Coomarasamy;Health Technology Assessment,2016
4. ISRCTN92644181 First trimester progesterone therapy in women with a history of unexplained recurrent miscarriages: a randomised double-blind placebo-controlled multi-centre trial (The PROMISE [PROgesterone in recurrent MIScarriagE] Trial) controlled-trials.com/ISRCTN92644181
5. Randomized clinical trial comparing the efficacy of dydrogesterone and human chorionic gonadotropin;Zibdeh;Climacteric,2002