{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T02:57:11Z","timestamp":1790045831945,"version":"4.0.1"},"reference-count":22,"publisher":"SAGE Publications","issue":"5","license":[{"start":{"date-parts":[[2019,3,21]],"date-time":"2019-03-21T00:00:00Z","timestamp":1553126400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["81741027"],"award-info":[{"award-number":["81741027"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"the Special Fund for Clinical Research of the Chinese Medical Association","award":["17020160685"],"award-info":[{"award-number":["17020160685"]}]},{"name":"the Special Fund for Clinical Research of the Chinese Medical Association","award":["17020180687"],"award-info":[{"award-number":["17020180687"]}]},{"name":"the Natural Science Foundation of Shandong Province","award":["ZR2016HL09"],"award-info":[{"award-number":["ZR2016HL09"]}]},{"name":"the Natural Science Foundation of Shandong Province","award":["ZR2017LH014"],"award-info":[{"award-number":["ZR2017LH014"]}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Int Med Res"],"published-print":{"date-parts":[[2019,5]]},"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>This retrospective study was conducted to explore causes of unsynchronized follicular maturation (UFM) and analyze the effects of large follicle puncture on embryo quality and pregnancy outcome.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Clinical features and controlled ovulation hyperstimulation (COH) were compared between the puncture group (n\u2009=\u200948) and the control group (n\u2009=\u20092545). We analyzed the COH process with in vitro fertilization during fresh cycle embryo transfer with different clinical pregnancy outcomes. We compared clinical characteristics and COH process of patients in the clinical pregnancy (n\u2009=\u2009774) and non-clinical pregnancy (n\u2009=\u2009527) groups. Finally, factors related to pregnancy outcomes were analyzed using multivariate logistic regression analysis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Age, level of estradiol on down-regulation day, and initial gonadotropin dose were significantly higher in the puncture group than in the control group. We detected significant differences in age, infertility, and body mass index (BMI) between the clinical and non-clinical pregnancy groups. Age, BMI, and endometrial thickness on the day of human chorionic gonadotropin administration were the independent factors influencing pregnancy outcome.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Patient\u2019s age and level of anti-M\u00fcllerian hormone were the main factors causing UFM in patients undergoing COH. Large follicle puncture had no significant effect on pregnancy outcome.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/0300060519831178","type":"journal-article","created":{"date-parts":[[2019,3,22]],"date-time":"2019-03-22T02:05:15Z","timestamp":1553220315000},"page":"2056-2066","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":4,"title":["Effect of large follicle puncture on IVF-ET outcome in patients with unsynchronized follicle maturationcan"],"prefix":"10.1177","volume":"47","author":[{"given":"Xinrong","family":"Wang","sequence":"first","affiliation":[{"name":"Department of Reproductive Medicine, Yantai Yuhuangding Hospital, Affiliated Hospital of Qingdao University, Yantai, PR China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wenjuan","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Reproductive Medicine, Yantai Yuhuangding Hospital, Affiliated Hospital of Qingdao University, Yantai, PR China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qinglan","family":"Qu","sequence":"additional","affiliation":[{"name":"Department of Reproductive Medicine, Yantai Yuhuangding Hospital, Affiliated Hospital of Qingdao University, Yantai, PR China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ning","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Reproductive Medicine, Yantai Yuhuangding Hospital, Affiliated Hospital of Qingdao University, Yantai, PR China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cuifang","family":"Hao","sequence":"additional","affiliation":[{"name":"Department of Reproductive Medicine, Yantai Yuhuangding Hospital, Affiliated Hospital of Qingdao University, Yantai, PR China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4411-3325","authenticated-orcid":false,"given":"Ding","family":"Ma","sequence":"additional","affiliation":[{"name":"Department of Reproductive Medicine, Yantai Yuhuangding Hospital, Affiliated Hospital of Qingdao University, Yantai, PR China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2019,3,21]]},"reference":[{"key":"bibr1-0300060519831178","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(84)92840-X"},{"key":"bibr2-0300060519831178","doi-asserted-by":"publisher","DOI":"10.1111\/j.1439-0531.2006.00802.x"},{"key":"bibr3-0300060519831178","doi-asserted-by":"publisher","DOI":"10.1016\/j.fertnstert.2017.05.028"},{"key":"bibr4-0300060519831178","volume-title":"A textbook of in vitro fertilization and assisted reproduction: the Bourn Hall guide to clinical and laboratory practice","author":"Brinsden PR.","year":"1999","edition":"2"},{"key":"bibr5-0300060519831178","first-page":"596","volume":"30","author":"Dong F","year":"2010","journal-title":"Reproduction and Contraception"},{"key":"bibr6-0300060519831178","doi-asserted-by":"publisher","DOI":"10.1016\/S0015-0282(99)00187-9"},{"key":"bibr7-0300060519831178","first-page":"408","volume":"17","author":"Ye H.","year":"2008","journal-title":"Journal of Reproductive Medicine"},{"key":"bibr8-0300060519831178","doi-asserted-by":"publisher","DOI":"10.1016\/j.tem.2007.01.004"},{"key":"bibr9-0300060519831178","doi-asserted-by":"publisher","DOI":"10.1016\/S0188-4409(01)00327-7"},{"key":"bibr10-0300060519831178","doi-asserted-by":"publisher","DOI":"10.1093\/humrep\/deg138"},{"key":"bibr11-0300060519831178","doi-asserted-by":"publisher","DOI":"10.1093\/humrep\/dei348"},{"key":"bibr12-0300060519831178","doi-asserted-by":"publisher","DOI":"10.1093\/humrep\/dei302"},{"key":"bibr13-0300060519831178","first-page":"3836","volume":"30","author":"Li X","year":"2015","journal-title":"Maternal & Child Health Care of China"},{"key":"bibr14-0300060519831178","doi-asserted-by":"publisher","DOI":"10.1016\/S0015-0282(02)04574-0"},{"key":"bibr15-0300060519831178","doi-asserted-by":"publisher","DOI":"10.1093\/humrep\/deg516"},{"key":"bibr16-0300060519831178","first-page":"806","volume":"22","author":"Li Y","year":"2013","journal-title":"J Reprod Med"},{"key":"bibr17-0300060519831178","doi-asserted-by":"publisher","DOI":"10.1016\/j.fertnstert.2003.11.037"},{"key":"bibr18-0300060519831178","first-page":"i317","volume":"26","author":"Saini P","year":"2010","journal-title":"Hum Reprod"},{"key":"bibr19-0300060519831178","doi-asserted-by":"publisher","DOI":"10.1016\/j.mefs.2016.09.005"},{"key":"bibr20-0300060519831178","doi-asserted-by":"publisher","DOI":"10.1093\/humupd\/dmm040"},{"key":"bibr21-0300060519831178","first-page":"462","volume":"41","author":"Xu Y","year":"2006","journal-title":"Acta Universitatis Medicinalis Anhui"},{"key":"bibr22-0300060519831178","first-page":"82","volume":"24","author":"Sun B","year":"2014","journal-title":"Chinese Journal of Modern Medicine"}],"container-title":["Journal of International Medical Research"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/0300060519831178","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/full-xml\/10.1177\/0300060519831178","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/0300060519831178","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T10:51:01Z","timestamp":1777459861000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.1177\/0300060519831178"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2019,3,21]]},"references-count":22,"journal-issue":{"issue":"5","published-print":{"date-parts":[[2019,5]]}},"alternative-id":["10.1177\/0300060519831178"],"URL":"https:\/\/doi.org\/10.1177\/0300060519831178","relation":{},"ISSN":["0300-0605","1473-2300"],"issn-type":[{"value":"0300-0605","type":"print"},{"value":"1473-2300","type":"electronic"}],"subject":[],"published":{"date-parts":[[2019,3,21]]}}}