{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T01:09:14Z","timestamp":1790125754850,"version":"4.0.1"},"reference-count":33,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2026,9,20]],"date-time":"2026-09-20T00:00:00Z","timestamp":1789862400000},"content-version":"vor","delay-in-days":19,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T00:00:00Z","timestamp":1788220800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Obstet and Gynaecol"],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Aim<\/jats:title>\n                    <jats:p>To characterize maternal body mass index (BMI) and height as two nearly independent body\u2010size dimensions in relation to pregnancy and perinatal outcomes after frozen\u2013thawed embryo transfer (FET), and assess whether their joint evaluation reveals patterns not captured by BMI alone.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>In a single\u2010center retrospective cohort of 10\u2009059 FET cycles, dose\u2013response relationships of BMI and height with 15 pregnancy\u2010related outcomes were modeled using restricted cubic splines with modified Poisson regression and robust variance estimators. A joint additive model generated two\u2010dimensional risk surfaces adjusted for maternal age, endometrial preparation, and obstetric covariates.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>BMI was significantly associated with nine of 15 outcomes and height with seven. Two\u2010dimensional risk maps showed outcome\u2010specific patterns: hypertensive disorders of pregnancy were predominantly BMI\u2010associated, whereas small\u2010for\u2010gestational\u2010age and gestational diabetes reflected both dimensions, with higher risks in the low\u2010BMI\/short\u2010stature and high\u2010BMI\/short\u2010stature regions, respectively. Exploratory subgroup analyses by endometrial preparation method suggested possible heterogeneity for cesarean section, large\u2010for\u2010gestational\u2010age, and miscarriage.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Joint evaluation of BMI and height revealed heterogeneous body\u2010size risk patterns\u2014predominantly BMI\u2010associated, height\u2010associated, or combined\u2014that BMI alone does not capture. Because height is readily available before pregnancy, considering it with BMI may refine body\u2010size risk assessment after FET.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/jog.70506","type":"journal-article","created":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T01:16:17Z","timestamp":1789953377000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Two\u2010Dimensional Characterization of Maternal\n                    <scp>BMI<\/scp>\n                    and Height Associations With Pregnancy and Perinatal Outcomes After Frozen Embryo Transfer"],"prefix":"10.1111","volume":"52","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1730-6693","authenticated-orcid":false,"given":"Shuhei","family":"So","sequence":"first","affiliation":[{"name":"Department of Reproductive and Perinatal Medicine Hamamatsu University School of Medicine  Shizuoka Japan"},{"name":"Tawara IVF Clinic  Shizuoka Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nao","family":"Murabayashi","sequence":"additional","affiliation":[{"name":"Department of Reproductive and Perinatal Medicine Hamamatsu University School of Medicine  Shizuoka Japan"},{"name":"Tawara IVF Clinic  Shizuoka Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wakasa","family":"Yamaguchi","sequence":"additional","affiliation":[{"name":"Tawara IVF Clinic  Shizuoka Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Naomi","family":"Miyano","sequence":"additional","affiliation":[{"name":"Tawara IVF Clinic  Shizuoka Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Misa","family":"Namba","sequence":"additional","affiliation":[{"name":"Tawara IVF Clinic  Shizuoka Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fumiko","family":"Tawara","sequence":"additional","affiliation":[{"name":"Tawara IVF Clinic  Shizuoka Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,9,20]]},"reference":[{"key":"e_1_2_13_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajogmf.2019.100041"},{"key":"e_1_2_13_3_1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0157081"},{"key":"e_1_2_13_4_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12884-022-04418-3"},{"key":"e_1_2_13_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1447-0756.2010.01170.x"},{"key":"e_1_2_13_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.rbmo.2011.06.018"},{"key":"e_1_2_13_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.fertnstert.2016.08.028"},{"key":"e_1_2_13_8_1","first-page":"1","article-title":"Does Low BMI Affect ART Outcomes?","volume":"22","author":"Oliveira J. 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