{"id":"https://openalex.org/W3189634259","doi":"https://doi.org/10.1093/humrep/deab130.334","title":"P\u2013335 Endometrial compaction 5\u201310% is associated with the best live birth rate in artificial frozen-thawed embryo transfer cycles","display_name":"P\u2013335 Endometrial compaction 5\u201310% is associated with the best live birth rate in artificial frozen-thawed embryo transfer cycles","publication_year":2021,"publication_date":"2021-07-01","ids":{"openalex":"https://openalex.org/W3189634259","doi":"https://doi.org/10.1093/humrep/deab130.334","mag":"3189634259"},"language":"en","primary_location":{"id":"doi:10.1093/humrep/deab130.334","doi":"https://doi.org/10.1093/humrep/deab130.334","is_oa":false,"landing_page_url":"https://doi.org/10.1093/humrep/deab130.334","pdf_url":null,"source":{"id":"https://openalex.org/S127900037","display_name":"Human Reproduction","issn_l":"0268-1161","issn":["0268-1161","1460-2350"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-2","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Human Reproduction","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5038511556","display_name":"Esra Yaprak","orcid":"https://orcid.org/0000-0002-7190-087X","observed_orcids":["https://orcid.org/0000-0002-7190-087X"]},"institutions":[{"id":"https://openalex.org/I149218525","display_name":"Ankara University","ror":"https://ror.org/01wntqw50","country_code":"TR","type":"education","lineage":["https://openalex.org/I149218525"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"E Yaprak","raw_affiliation_strings":["Ankara University, Gynecology and Obstetrics, Ankara, Turkey"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ankara University, Gynecology and Obstetrics, Ankara, Turkey","institution_ids":["https://openalex.org/I149218525"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Y E Sukur","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I149218525","display_name":"Ankara University","ror":"https://ror.org/01wntqw50","country_code":"TR","type":"education","lineage":["https://openalex.org/I149218525"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"Y E Sukur","raw_affiliation_strings":["Ankara University, Gynecology and Obstetrics, Ankara, Turkey"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ankara University, Gynecology and Obstetrics, Ankara, Turkey","institution_ids":["https://openalex.org/I149218525"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071297640","display_name":"Batuhan \u00d6zmen","orcid":"https://orcid.org/0000-0002-4504-669X","observed_orcids":["https://orcid.org/0000-0002-4504-669X"]},"institutions":[{"id":"https://openalex.org/I149218525","display_name":"Ankara University","ror":"https://ror.org/01wntqw50","country_code":"TR","type":"education","lineage":["https://openalex.org/I149218525"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"B Ozmen","raw_affiliation_strings":["Ankara University, Gynecology and Obstetrics, Ankara, Turkey"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ankara University, Gynecology and Obstetrics, Ankara, Turkey","institution_ids":["https://openalex.org/I149218525"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088345693","display_name":"Murat S\u00f6nmezer","orcid":"https://orcid.org/0000-0001-6101-1414","observed_orcids":["https://orcid.org/0000-0001-6101-1414"]},"institutions":[{"id":"https://openalex.org/I149218525","display_name":"Ankara University","ror":"https://ror.org/01wntqw50","country_code":"TR","type":"education","lineage":["https://openalex.org/I149218525"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"M Sonmezer","raw_affiliation_strings":["Ankara University, Gynecology and Obstetrics, Ankara, Turkey"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ankara University, Gynecology and Obstetrics, Ankara, Turkey","institution_ids":["https://openalex.org/I149218525"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003961656","display_name":"B\u00fclent Berker","orcid":"https://orcid.org/0000-0001-7346-7128","observed_orcids":["https://orcid.org/0000-0001-7346-7128"]},"institutions":[{"id":"https://openalex.org/I149218525","display_name":"Ankara University","ror":"https://ror.org/01wntqw50","country_code":"TR","type":"education","lineage":["https://openalex.org/I149218525"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"B Berker","raw_affiliation_strings":["Ankara University, Gynecology and Obstetrics, Ankara, Turkey"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ankara University, Gynecology and Obstetrics, Ankara, Turkey","institution_ids":["https://openalex.org/I149218525"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010490769","display_name":"Cem Somer Atabeko\u011flu","orcid":"https://orcid.org/0000-0003-0264-0709","observed_orcids":["https://orcid.org/0000-0003-0264-0709"]},"institutions":[{"id":"https://openalex.org/I149218525","display_name":"Ankara University","ror":"https://ror.org/01wntqw50","country_code":"TR","type":"education","lineage":["https://openalex.org/I149218525"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"C Atabeko\u011flu","raw_affiliation_strings":["Ankara University, Gynecology and Obstetrics, Ankara, Turkey"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ankara University, Gynecology and Obstetrics, Ankara, Turkey","institution_ids":["https://openalex.org/I149218525"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5003366542","display_name":"Ru\u015fen Ayta\u00e7","orcid":"https://orcid.org/0000-0002-2644-545X","observed_orcids":["https://orcid.org/0000-0002-2644-545X"]},"institutions":[{"id":"https://openalex.org/I149218525","display_name":"Ankara University","ror":"https://ror.org/01wntqw50","country_code":"TR","type":"education","lineage":["https://openalex.org/I149218525"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"R Aytac","raw_affiliation_strings":["Ankara University, Gynecology and Obstetrics, Ankara, Turkey"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ankara University, Gynecology and Obstetrics, Ankara, Turkey","institution_ids":["https://openalex.org/I149218525"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I149218525"],"apc_list":{"value":3519,"currency":"EUR","value_usd":4202},"apc_paid":null,"fwci":0.183,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.39236611,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":95},"biblio":{"volume":"36","issue":"Supplement_1","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11510","display_name":"Reproductive System and Pregnancy","score":0.548799991607666,"subfield":{"id":"https://openalex.org/subfields/2403","display_name":"Immunology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T11510","display_name":"Reproductive System and Pregnancy","score":0.548799991607666,"subfield":{"id":"https://openalex.org/subfields/2403","display_name":"Immunology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10364","display_name":"Reproductive Biology and Fertility","score":0.23080000281333923,"subfield":{"id":"https://openalex.org/subfields/2743","display_name":"Reproductive Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11732","display_name":"Assisted Reproductive Technology and Twin Pregnancy","score":0.10830000042915344,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/endometrial-thickness","display_name":"endometrial thickness","score":0.906000018119812},{"id":"https://openalex.org/keywords/frozen-embryo-transfer","display_name":"frozen embryo transfer","score":0.9559999704360962},{"id":"https://openalex.org/keywords/live-birth-rate","display_name":"live birth rate","score":0.8859999775886536},{"id":"https://openalex.org/keywords/endometrial-receptivity","display_name":"endometrial receptivity","score":0.9169999957084656},{"id":"https://openalex.org/keywords/clinical-pregnancy","display_name":"clinical pregnancy","score":0.6549999713897705},{"id":"https://openalex.org/keywords/implantation-rate","display_name":"implantation rate","score":0.871999979019165},{"id":"https://openalex.org/keywords/pregnancy-outcome-prediction","display_name":"pregnancy outcome prediction","score":0.5809999704360962}],"concepts":[{"id":"https://openalex.org/C160099875","wikidata":"https://www.wikidata.org/wiki/Q237118","display_name":"Embryo transfer","level":3,"score":0.7360946536064148},{"id":"https://openalex.org/C2779742232","wikidata":"https://www.wikidata.org/wiki/Q839508","display_name":"Endometrium","level":2,"score":0.6968954801559448},{"id":"https://openalex.org/C2778279030","wikidata":"https://www.wikidata.org/wiki/Q1543380","display_name":"Live birth","level":3,"score":0.6335342526435852},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.5801037549972534},{"id":"https://openalex.org/C2776537878","wikidata":"https://www.wikidata.org/wiki/Q7239894","display_name":"Pregnancy rate","level":3,"score":0.5472438335418701},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.5309146642684937},{"id":"https://openalex.org/C29456083","wikidata":"https://www.wikidata.org/wiki/Q1221899","display_name":"Gynecology","level":1,"score":0.5302909016609192},{"id":"https://openalex.org/C187785154","wikidata":"https://www.wikidata.org/wiki/Q5464664","display_name":"Follicular phase","level":2,"score":0.5051124691963196},{"id":"https://openalex.org/C196715460","wikidata":"https://www.wikidata.org/wiki/Q1414356","display_name":"Compaction","level":2,"score":0.41446852684020996},{"id":"https://openalex.org/C131872663","wikidata":"https://www.wikidata.org/wiki/Q5284418","display_name":"Obstetrics","level":1,"score":0.38549214601516724},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.24379941821098328},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.11228370666503906},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.09858426451683044},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1093/humrep/deab130.334","doi":"https://doi.org/10.1093/humrep/deab130.334","is_oa":false,"landing_page_url":"https://doi.org/10.1093/humrep/deab130.334","pdf_url":null,"source":{"id":"https://openalex.org/S127900037","display_name":"Human Reproduction","issn_l":"0268-1161","issn":["0268-1161","1460-2350"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-2","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Human Reproduction","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":0.9391000270843506}],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W3193682597","https://openalex.org/W4283720471","https://openalex.org/W4368358572","https://openalex.org/W4220686141","https://openalex.org/W3120763354","https://openalex.org/W7214895047","https://openalex.org/W4385202540","https://openalex.org/W4381619604","https://openalex.org/W4411721788","https://openalex.org/W2951016297"],"abstract_inverted_index":{"Abstract":[0],"Study":[1,129],"question":[2],"What":[3,42],"is":[4,43,194,477],"the":[5,29,51,54,63,74,87,121,173,181,205,217,246,265,269,275,289,305,321,365,383,390,400,417,440,443,455,478,491,499],"effect":[6],"of":[7,177,183,207,219,271,308,361,367,379,385,416,429,442,454,493,501],"endometrial":[8,27,40,67,75,93,113,146,158,174,178,197,208,226,319,332,362,371,464,488],"compaction":[9,211,227,247,279,291,333,372,465],"on":[10,78,95,311,449],"live":[11,32,239,282,312,324],"birth":[12,33,240,283,313,325],"rate":[13,284],"in":[14,37,62,112,140,245,288,329,467,495],"frozen-thawed":[15],"embryo":[16,187],"transfer":[17,188],"(FET)":[18],"cycles?":[19],"Summary":[20],"answer":[21],"In":[22,261],"FET":[23,138,315],"cycles":[24,38,139,316,330],"with":[25,39,317,331],"artificial":[26,145,157,318],"preparation,":[28,159,320],"chance":[30,220,322,500],"for":[31,172,323,370,411,487],"was":[34,167,190,285,301,326,351,357],"significantly":[35,243,286,327],"higher":[36,244,287,328],"compaction.":[41,198,233,502],"known":[44],"already":[45],"Most":[46],"studies":[47,58,91,102],"conclude":[48],"that":[49,463],"thinner":[50],"endometrium":[52],"poorer":[53],"pregnancy":[55,108,122,469],"outcome.":[56,88,109],"These":[57],"mostly":[59],"include":[60],"measurements":[61,435],"follicular":[64,100],"phase.":[65],"Since":[66],"thickness":[68,76,94,114,179,363,489],"indicates":[69],"receptivity,":[70],"one":[71],"may":[72,115],"expect":[73],"measured":[77],"ET":[79,96,450],"day":[80,97,189],"to":[81,85,119,169,204,251,263,268,303,353,373,472,481,497],"be":[82,116],"more":[83,117],"important":[84],"predict":[86,120],"However,":[89],"few":[90],"assessed":[92],"and":[98,186,212,216,228,238,258,377,395,427,446],"unlike":[99],"phase":[101,185,369,387,445],"conflicting":[103],"results":[104,215,266,466],"were":[105,148,156,201,242,393,419],"obtained":[106],"regarding":[107],"The":[110,153,164,199,234,281,375,413],"change":[111,176],"valuable":[118],"outcome":[123],"rather":[124],"than":[125],"a":[126,358,458,483],"single":[127],"measurement.":[128],"design,":[130],"size,":[131],"duration":[132],"Retrospective":[133],"observational":[134],"cohort":[135,459],"study.":[136],"283":[137,222],"which":[141],"all":[142,170],"patients":[143,171,200,276],"underwent":[144],"preparation":[147],"reviewed.":[149],"Participants/materials,":[150],"setting,":[151],"methods:":[152],"inclusion":[154],"criteria":[155],"age":[160],"between":[161,180],"20\u201338":[162],"years.":[163],"same":[165],"protocol":[166],"applied":[168],"preparation.The":[175],"end":[182,366,384,441],"estrogen":[184,368,386,444],"recorded.":[191],"Any":[192],"decrement":[193],"defined":[195],"as":[196,210],"grouped":[202],"according":[203,267],"changes":[206],"thicknesses":[209],"non-compaction.":[213],"Main":[214],"role":[218],"Among":[221],"cycles,":[223],"89":[224],"had":[225],"194":[229],"did":[230],"not":[231],"have":[232],"clinical":[235],"pregnancy,":[236],"implantation":[237],"rates":[241],"group":[248,253,292],"when":[249],"compared":[250],"non-compaction":[252],"(P":[254,293],"values":[255],"0.007,":[256],"0.009,":[257],"0.039,":[259],"respectively).":[260],"order":[262],"evaluate":[264,354],"degree":[270],"compaction,":[272],"we":[273],"divided":[274],"into":[277],"5%":[278],"slices.":[280],"5\u201310%":[290],"=":[294,342],"0.016).":[295],"A":[296,344],"multivariable":[297],"logistic":[298],"regression":[299],"analysis":[300,350],"performed":[302,352],"examine":[304],"independent":[306],"effects":[307],"different":[309,430,434],"variables":[310],"chance.In":[314],"(OR:":[334],"2.352,":[335],"95%":[336,403],"confidence":[337],"interval":[338],"{CI}":[339],"1.297\u20134.264,":[340],"P":[341,406],"0.005).":[343],"receiver":[345],"operating":[346],"characteristic":[347],"(ROC)":[348],"curve":[349,392],"whether":[355],"there":[356],"certain":[359],"threshold":[360,484],"at":[364,382,433,439],"occur.":[374],"sensitivity":[376],"specificity":[378],"9.25":[380],"mm":[381],"calculated":[388],"from":[389],"ROC":[391],"76.4%":[394],"58.8%,":[396],"respectively":[397],"(area":[398],"under":[399],"curve:":[401],"0.701,":[402],"CI":[404],"0.640\u20130.763;":[405],"<":[407],"0.001).":[408],"Limitations,":[409],"reasons":[410],"caution":[412],"main":[414],"limitations":[415],"study":[418,460,480],"its":[420],"retrospective":[421],"nature,":[422],"relatively":[423],"small":[424],"sample":[425],"size":[426],"utilization":[428],"ultrasound":[431,438,448],"techniques":[432],"(using":[436],"transvaginal":[437],"transabdominal":[447],"day).":[451],"Wider":[452],"implications":[453],"findings:":[456],"Recently":[457],"they":[461],"found":[462],"better":[468],"outcomes,":[470],"similar":[471],"our":[473],"findings.":[474],"But,":[475],"this":[476],"first":[479],"suggest":[482],"value":[485],"(9.2)":[486],"before":[490],"commencement":[492],"progesterone":[494],"regards":[496],"increase":[498],"Trial":[503],"registration":[504],"number":[505],"Not":[506],"applicable":[507]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2026-10-01T08:54:57.152042","created_date":"2021-08-16T00:00:00"}
