https://www.selleckchem.com/pr....oducts/Trichostatin-
Progesterone is widely used to prevent threatened miscarriage. To determine the efficacy and safety of progestogens in the treatment of threatened miscarriage. PubMed, Cochrane Library, EMBASE, CNKI, CBM, and WanFang databases were searched for randomized controlled trials (RCTs) published from the date of inception of the database to August 2020. The search terms included "abortion, threatened," "progesterone," and "progestogens." A network meta-analysis was conducted of all the RCTs on threatened abortion so far to compare the