{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,11]],"date-time":"2025-11-11T22:35:28Z","timestamp":1762900528423,"version":"3.41.2"},"reference-count":23,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2023,8,24]],"date-time":"2023-08-24T00:00:00Z","timestamp":1692835200000},"content-version":"vor","delay-in-days":23,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Medical Virology"],"published-print":{"date-parts":[[2023,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Patients preparing for their renewal fertility treatments with embryos frozen before coronavirus disease 2019 (COVID\u201019) infection do not need to be concerned about the potential impact of COVID\u201019 infection on oocyte quality and embryonic development. However, many women are still hesitant to undergo frozen embryo transfer (FET) due to fear of the detrimental effect of COVID\u201019 infection on endometrial receptivity and embryo implantation. The objective was to explore whether COVID\u201019 infection after oocyte retrieval is related to an increased risk of adverse pregnancy outcomes in a cohort of Chinese women undergoing FET. A retrospective cohort study was conducted among 300 infertile women undergoing FET with embryos frozen before COVID\u201019 infection. Women were categorized into noninfection, infection before FET, or infection after FET groups. Multivariable logistic regression was performed to assess the association of COVID\u201019 infection with clinical pregnancy outcomes, including biochemical pregnancy, clinical pregnancy, and early miscarriage. The implantation rates for patients in the group with infection before FET (29.14%) and the group with infection after FET (30.38%) were not significantly lower than those in the noninfection group (31.03%). The rate of biochemical pregnancy (54.55% vs. 52.27%, <jats:italic>p<\/jats:italic>\u2009=\u20090.750; 43.14% vs. 52.27%, <jats:italic>p<\/jats:italic>\u2009=\u20090.209) was not significantly different among the three groups. Although the clinical pregnancy rate showed a declining trend from 45.45% in the noninfection group to 38.27% in the group with infection after FET, this result was not statistically significant. The early miscarriage rate was similar in the group with infection before FET and the group with infection after FET compared with that in the noninfection group (3.64% vs. 5.68%, <jats:italic>p<\/jats:italic>\u2009=\u20090.496; 6.86% vs. 5.68%, <jats:italic>p<\/jats:italic>\u2009=\u20090.739). After adjusting for potential confounders, the biochemical pregnancy rate, clinical pregnancy rate, and early miscarriage rate were not significantly different for patients with infection before or after FET compared with patients without infection. This research indicated that COVID\u201019 infection after oocyte retrieval with embryos frozen before infection did not cause any detrimental effect on endometrial receptivity for embryo implantation.<\/jats:p>","DOI":"10.1002\/jmv.29054","type":"journal-article","created":{"date-parts":[[2023,8,24]],"date-time":"2023-08-24T12:09:45Z","timestamp":1692878985000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["COVID\u201019 infection after oocyte retrieval did not have detrimental effects on embryo implantation for frozen embryo transfer"],"prefix":"10.1002","volume":"95","author":[{"given":"Haiyan","family":"Guo","sequence":"first","affiliation":[{"name":"Department of Assisted Reproduction Shanghai Ninth People's Hospital, Jiao Tong University School of Medicine Shanghai China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mingru","family":"Yin","sequence":"additional","affiliation":[{"name":"Department of Assisted Reproduction Shanghai Ninth People's Hospital, Jiao Tong University School of Medicine Shanghai China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yali","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Assisted Reproduction Shanghai Ninth People's Hospital, Jiao Tong University School of Medicine Shanghai China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bian","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Assisted Reproduction Shanghai Ninth People's Hospital, Jiao Tong University School of Medicine Shanghai China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jiaying","family":"Lin","sequence":"additional","affiliation":[{"name":"Department of Assisted Reproduction Shanghai Ninth People's Hospital, Jiao Tong University School of Medicine Shanghai China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5787-0985","authenticated-orcid":false,"given":"Qianqian","family":"Zhu","sequence":"additional","affiliation":[{"name":"Department of Assisted Reproduction Shanghai Ninth People's Hospital, Jiao Tong University School of Medicine Shanghai China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2023,8,24]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMoa2001017"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.n83"},{"key":"e_1_2_10_4_1","unstructured":"World Health Organization. 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