Progestogen for preventing miscarriage in women with recurrent miscarriage of unclear etiology

Review (12 trials; n=856) notes that there may be a reduction in the number of miscarriages for women given progestogen supplementation compared to placebo/controls (average risk ratio 0.73, 95% CI; 0.54 to 1.00, based on 10 trials, n=1684; moderate‐quality evidence).

Cochrane Database of Systematic Reviews