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Women were divided into groups 1\u20134 according to transfer depth (&lt;10; 10\u201315, 15\u201320, and &gt;20\u00a0mm, respectively), as measured by air bubbles. Additionally, 391 women were divided into groups A\u2013C according to endometrial thickness (&lt;7, 1\u201312, and &gt;12\u00a0mm, respectively). Clinical pregnancy outcomes were assessed by group.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Data from 501 cycles were included. Clinical pregnancy and live delivery rates were significantly higher in group 2 (<jats:italic>P<\/jats:italic>=0.009 and <jats:italic>P<\/jats:italic>=0.002, respectively) and group 3 (<jats:italic>P<\/jats:italic>=0.008 and <jats:italic>P<\/jats:italic>=0.001, respectively) than in group 4. Among the 394 patients with endometrial thickness data available, clinical pregnancy and live delivery rates were higher in group B (<jats:italic>P<\/jats:italic>=0.028 and <jats:italic>P<\/jats:italic>=0.015, respectively) and group (<jats:italic>P<\/jats:italic>=0.013 and <jats:italic>P<\/jats:italic>=0.013, respectively) than in group A.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Correct transfer depth and endometrial thickness can increase the rates of clinical pregnancy, implantation, and live delivery. Placing the embryos at 10\u201320\u00a0mm from the fundus and at an endometrial thickness of more than 7\u00a0mm is recommended for optimal clinical pregnancy outcomes.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ijgo.12681","type":"journal-article","created":{"date-parts":[[2018,9,21]],"date-time":"2018-09-21T22:24:46Z","timestamp":1537568686000},"page":"282-288","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":20,"title":["Ideal embryo transfer position and endometrial thickness in <scp>IVF<\/scp> embryo transfer treatment"],"prefix":"10.1002","volume":"143","author":[{"given":"Yao","family":"Wang","sequence":"first","affiliation":[{"name":"Department of Assisted Reproduction Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine  Shanghai China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yanwen","family":"Zhu","sequence":"additional","affiliation":[{"name":"Department of Assisted Reproduction Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine  Shanghai China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yun","family":"Sun","sequence":"additional","affiliation":[{"name":"Center for Reproductive Medicine Renji Hospital Affiliated to Shanghai Jiao Tong University School of Medicine  Shanghai China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wen","family":"Di","sequence":"additional","affiliation":[{"name":"Department of Gynecology and Obstetrics Renji Hospital Affiliated to Shanghai Jiao Tong University School of Medicine  Shanghai China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Meiting","family":"Qiu","sequence":"additional","affiliation":[{"name":"Department of Assisted Reproduction Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine  Shanghai China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yanping","family":"Kuang","sequence":"additional","affiliation":[{"name":"Department of Assisted Reproduction Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine  Shanghai China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haoran","family":"Shen","sequence":"additional","affiliation":[{"name":"Department of Gynecology, Obstetrics and Gynecology Hospital of Fudan University  Shanghai China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2018,10,8]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1055\/s-0034-1375181"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.fertnstert.2017.12.014"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.fertnstert.2016.02.022"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.fertnstert.2016.11.020"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.fertnstert.2010.07.1063"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.fertnstert.2017.10.032"},{"key":"e_1_2_8_8_1","first-page":"162","article-title":"The role of ultrasonography in in\u2010vitro fertilization and embryo transfer (IVF\u2010ET)","volume":"22","author":"Iyoke CA","year":"2013","journal-title":"Niger J Med"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ejogrb.2013.09.023"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.rbmo.2017.12.016"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.4103\/jhrs.JHRS_54_15"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1097\/MD.0000000000009689"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.1093\/humupd\/dmu011"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.1097\/MD.0000000000009577"},{"key":"e_1_2_8_15_1","doi-asserted-by":"publisher","DOI":"10.1080\/14647273.2017.1334130"},{"key":"e_1_2_8_16_1","doi-asserted-by":"crossref","first-page":"57","DOI":"10.23736\/S0391-1977.17.02649-9","article-title":"Embryo transfer: Timing and techniques","volume":"43","author":"Bortoletto P","year":"2018","journal-title":"Minerva Endocrinol"},{"key":"e_1_2_8_17_1","first-page":"59","article-title":"The influence of the depth of embryo replacement into the uterine cavity on in vitro fertilization outcome","volume":"51","author":"Ivanovski M","year":"2012","journal-title":"Akush Ginekol (Sofiia)"},{"key":"e_1_2_8_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2011.01.053"}],"container-title":["International Journal of Gynecology &amp; 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