{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,6]],"date-time":"2026-09-06T21:37:59Z","timestamp":1788730679814,"version":"build-2803163510"},"reference-count":64,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2021,5,18]],"date-time":"2021-05-18T00:00:00Z","timestamp":1621296000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Intl J Gynecology & Obste"],"published-print":{"date-parts":[[2022,3]]},"abstract":"Abstract<\/jats:title>Background<\/jats:title>Progesterone is widely used to prevent threatened miscarriage.<\/jats:p><\/jats:sec>Objective<\/jats:title>To determine the efficacy and safety of progestogens in the treatment of threatened miscarriage.<\/jats:p><\/jats:sec>Search strategy<\/jats:title>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 \u201cabortion, threatened,\u201d \u201cprogesterone,\u201d and \u201cprogestogens.\u201d<\/jats:p><\/jats:sec>Selection criteria<\/jats:title>A network meta\u2010analysis was conducted of all the RCTs on threatened abortion so far to compare the efficacy and safety of different progestogens in the treatment of threatened abortion.<\/jats:p><\/jats:sec>Data collection and analysis<\/jats:title>Odds ratios for dichotomous data with 95% confidence intervals were calculated and the data were pooled using a random\u2010effects model. The surface under the cumulative ranking area (SUCRA) was calculated for efficacy and safety with different interventions.<\/jats:p><\/jats:sec>Main results<\/jats:title>A total of 59 RCTs with 10\u2009424 participants were included. Oral dydrogesterone (DYD) had the lowest risk of miscarriage (SUCRA 100.0%), followed by vaginal progesterone (SUCRA 67.9%). Oral micronized progesterone had the highest risk of miscarriage (SUCRA 15.7%).<\/jats:p><\/jats:sec>Conclusion<\/jats:title>Oral DYD is effective in the treatment of threatened miscarriage. The results of the present study can help patients make informed decisions about treatment options for threatened miscarriage.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ijgo.13707","type":"journal-article","created":{"date-parts":[[2021,4,17]],"date-time":"2021-04-17T17:19:45Z","timestamp":1618679985000},"page":"383-393","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":21,"title":["A pairwise and network meta\u2010analysis comparing the efficacy and safety of progestogens in threatened abortion"],"prefix":"10.1002","volume":"156","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9861-307X","authenticated-orcid":false,"given":"Hongqiong","family":"Zhao","sequence":"first","affiliation":[{"name":"Department of Pharmacy The Second Affiliated Hospital of Chongqing Medical University Chongqing 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