{"id":"https://openalex.org/W7225429602","doi":"https://doi.org/10.1038/s41598-026-78865-9","title":"Mathematical modeling and statistical analysis for predicting success in intrauterine insemination, intracytoplasmic sperm injection, and frozen embryo transfer","display_name":"Mathematical modeling and statistical analysis for predicting success in intrauterine insemination, intracytoplasmic sperm injection, and frozen embryo transfer","publication_year":2026,"publication_date":"2026-11-06","ids":{"openalex":"https://openalex.org/W7225429602","doi":"https://doi.org/10.1038/s41598-026-78865-9"},"language":"en","primary_location":{"id":"doi:10.1038/s41598-026-78865-9","doi":"https://doi.org/10.1038/s41598-026-78865-9","is_oa":true,"landing_page_url":"https://doi.org/10.1038/s41598-026-78865-9","pdf_url":"https://www.nature.com/articles/s41598-026-78865-9_reference.pdf","source":{"id":"https://openalex.org/S196734849","display_name":"Scientific Reports","issn_l":"2045-2322","issn":["2045-2322"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","doaj","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319908","host_organization_name":"Nature Portfolio","host_organization_lineage":["https://openalex.org/P4310319908","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Nature Portfolio","Springer Nature"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Scientific Reports","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.nature.com/articles/s41598-026-78865-9_reference.pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5063383337","display_name":"Somayeh Ghiasi Hafezi","orcid":"https://orcid.org/0009-0001-9229-6712","observed_orcids":["https://orcid.org/0009-0001-9229-6712"]},"institutions":[{"id":"https://openalex.org/I165560825","display_name":"Mashhad University of Medical Sciences","ror":"https://ror.org/04sfka033","country_code":"IR","type":"education","lineage":["https://openalex.org/I165560825"]},{"id":"https://openalex.org/I86958956","display_name":"Ferdowsi University of Mashhad","ror":"https://ror.org/00g6ka752","country_code":"IR","type":"education","lineage":["https://openalex.org/I86958956"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Somayeh Ghiasi Hafezi","raw_affiliation_strings":["Department of Applied Mathematics, Faculty of Mathematical Science, Ferdowsi University of Mashhad, Mashhad, Iran","Department of Biostatistics, School of Health, Mashhad University of Medical Sciences, Mashhad, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Applied Mathematics, Faculty of Mathematical Science, Ferdowsi University of Mashhad, Mashhad, Iran","institution_ids":["https://openalex.org/I86958956"]},{"raw_affiliation_string":"Department of Biostatistics, School of Health, Mashhad University of Medical Sciences, Mashhad, Iran","institution_ids":["https://openalex.org/I165560825"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021591402","display_name":"Negar Soleimani","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I200432940","display_name":"Allameh Tabataba'i University","ror":"https://ror.org/02cc4gc68","country_code":"IR","type":"education","lineage":["https://openalex.org/I200432940"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Negar Soleimani","raw_affiliation_strings":["Department of Statistics, College of Statistics Mathematics and Computer, Allameh Tabataba\u2019i University, Tehran, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Statistics, College of Statistics Mathematics and Computer, Allameh Tabataba\u2019i University, Tehran, Iran","institution_ids":["https://openalex.org/I200432940"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016464986","display_name":"Atena Ghasemabadi","orcid":"https://orcid.org/0000-0003-2389-6092","observed_orcids":["https://orcid.org/0000-0003-2389-6092"]},"institutions":[{"id":"https://openalex.org/I4210164010","display_name":"Esfarayen University of Technology","ror":"https://ror.org/05fk72r68","country_code":"IR","type":"education","lineage":["https://openalex.org/I4210164010"]}],"countries":["IR"],"is_corresponding":true,"raw_author_name":"Atena Ghasemabadi","raw_affiliation_strings":["Esfarayen University of Technology, Esfarayen, North Khorasan, Iran"],"raw_orcid":"https://orcid.org/0000-0003-2389-6092","affiliations":[{"raw_affiliation_string":"Esfarayen University of Technology, Esfarayen, North Khorasan, Iran","institution_ids":["https://openalex.org/I4210164010"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060335342","display_name":"Kosar Namakin","orcid":"https://orcid.org/0000-0003-3073-7989","observed_orcids":["https://orcid.org/0000-0003-3073-7989"]},"institutions":[{"id":"https://openalex.org/I58048189","display_name":"Shahid Beheshti University of Medical Sciences","ror":"https://ror.org/034m2b326","country_code":"IR","type":"education","lineage":["https://openalex.org/I58048189"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Kosar Namakin","raw_affiliation_strings":["Student at Research Committee, Shahid Beheshti University of Medical Sciences, Tehran, Iran"],"raw_orcid":"https://orcid.org/0000-0003-3073-7989","affiliations":[{"raw_affiliation_string":"Student at Research Committee, Shahid Beheshti University of Medical Sciences, Tehran, Iran","institution_ids":["https://openalex.org/I58048189"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076224712","display_name":"Mark G. Ghamsary","orcid":"https://orcid.org/0000-0002-7867-0405","observed_orcids":["https://orcid.org/0000-0002-7867-0405"]},"institutions":[{"id":"https://openalex.org/I26347476","display_name":"Loma Linda University","ror":"https://ror.org/04bj28v14","country_code":"US","type":"education","lineage":["https://openalex.org/I26347476"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mark Ghamsary","raw_affiliation_strings":["School of Public Health, Loma Linda University, Loma Linda, California, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Public Health, Loma Linda University, Loma Linda, California, USA","institution_ids":["https://openalex.org/I26347476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021656896","display_name":"Sohrab Effati","orcid":"https://orcid.org/0000-0001-9752-0034","observed_orcids":["https://orcid.org/0000-0001-9752-0034"]},"institutions":[{"id":"https://openalex.org/I86958956","display_name":"Ferdowsi University of Mashhad","ror":"https://ror.org/00g6ka752","country_code":"IR","type":"education","lineage":["https://openalex.org/I86958956"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Sohrab Effati","raw_affiliation_strings":["Department of Applied Mathematics, Faculty of Mathematical Science, Ferdowsi University of Mashhad, Mashhad, Iran"],"raw_orcid":"https://orcid.org/0000-0001-9752-0034","affiliations":[{"raw_affiliation_string":"Department of Applied Mathematics, Faculty of Mathematical Science, Ferdowsi University of Mashhad, Mashhad, Iran","institution_ids":["https://openalex.org/I86958956"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5089300012","display_name":"Azadeh Ghaheri","orcid":"https://orcid.org/0000-0003-4530-4596","observed_orcids":["https://orcid.org/0000-0003-4530-4596"]},"institutions":[{"id":"https://openalex.org/I202419968","display_name":"Royan Institute","ror":"https://ror.org/02exhb815","country_code":"IR","type":"nonprofit","lineage":["https://openalex.org/I202419968"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Azadeh Ghaheri","raw_affiliation_strings":["Department of Epidemiology and Reproductive Health, Reproductive Epidemiology Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Epidemiology and Reproductive Health, Reproductive Epidemiology Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran","institution_ids":["https://openalex.org/I202419968"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5016464986"],"corresponding_institution_ids":["https://openalex.org/I4210164010"],"apc_list":{"value":2690,"currency":"USD","value_usd":2690},"apc_paid":{"value":2690,"currency":"USD","value_usd":2690},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11156","display_name":"Reproductive Health and Technologies","score":0.9696999788284302,"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"}},"topics":[{"id":"https://openalex.org/T11156","display_name":"Reproductive Health and Technologies","score":0.9696999788284302,"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":0.024000000208616257,"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"}},{"id":"https://openalex.org/T10364","display_name":"Reproductive Biology and Fertility","score":0.003599999938160181,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/intrauterine-insemination","display_name":"intrauterine insemination","score":0.9710000157356262},{"id":"https://openalex.org/keywords/intracytoplasmic-sperm-injection","display_name":"intracytoplasmic sperm injection","score":1.0},{"id":"https://openalex.org/keywords/frozen-embryo-transfer","display_name":"frozen embryo transfer","score":0.9990000128746033},{"id":"https://openalex.org/keywords/assisted-reproductive-technology","display_name":"assisted reproduction","score":0.8659999966621399},{"id":"https://openalex.org/keywords/infertility","display_name":"infertility","score":0.609000027179718},{"id":"https://openalex.org/keywords/predictors-of-treatment-success","display_name":"predictors of treatment success","score":0.7089999914169312},{"id":"https://openalex.org/keywords/maternal-age","display_name":"maternal age","score":0.777999997138977},{"id":"https://openalex.org/keywords/body-mass-index","display_name":"body mass index","score":0.9470000267028809},{"id":"https://openalex.org/keywords/duration-of-infertility","display_name":"infertility duration","score":0.9419999718666077},{"id":"https://openalex.org/keywords/live-birth","display_name":"live birth","score":0.6480000019073486},{"id":"https://openalex.org/keywords/blighted-ovum","display_name":"blighted ovum","score":0.7649999856948853},{"id":"https://openalex.org/keywords/abortion","display_name":"abortion","score":0.48500001430511475},{"id":"https://openalex.org/keywords/ordinal-logistic-regression","display_name":"ordinal logistic regression","score":0.7009999752044678},{"id":"https://openalex.org/keywords/generalized-estimating-equations","display_name":"generalized estimating equations","score":0.9139999747276306},{"id":"https://openalex.org/keywords/individualized-treatment-planning","display_name":"personalized treatment planning","score":0.7400000095367432}],"concepts":[{"id":"https://openalex.org/C2778278907","wikidata":"https://www.wikidata.org/wiki/Q28700","display_name":"Intracytoplasmic sperm injection","level":4,"score":0.792900025844574},{"id":"https://openalex.org/C151956035","wikidata":"https://www.wikidata.org/wiki/Q1132755","display_name":"Logistic regression","level":2,"score":0.7142999768257141},{"id":"https://openalex.org/C2777688143","wikidata":"https://www.wikidata.org/wiki/Q179399","display_name":"Infertility","level":3,"score":0.620199978351593},{"id":"https://openalex.org/C160099875","wikidata":"https://www.wikidata.org/wiki/Q237118","display_name":"Embryo transfer","level":3,"score":0.5080999732017517},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.46160000562667847},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.4129999876022339},{"id":"https://openalex.org/C3019637453","wikidata":"https://www.wikidata.org/wiki/Q207122","display_name":"Intrauterine insemination","level":4,"score":0.4083000123500824},{"id":"https://openalex.org/C167135981","wikidata":"https://www.wikidata.org/wiki/Q2146302","display_name":"Retrospective cohort study","level":2,"score":0.4018999934196472},{"id":"https://openalex.org/C2776537878","wikidata":"https://www.wikidata.org/wiki/Q7239894","display_name":"Pregnancy rate","level":3,"score":0.4011000096797943},{"id":"https://openalex.org/C2777005246","wikidata":"https://www.wikidata.org/wiki/Q1379223","display_name":"Insemination","level":3,"score":0.3939000070095062},{"id":"https://openalex.org/C500014431","wikidata":"https://www.wikidata.org/wiki/Q25862","display_name":"Assisted reproductive technology","level":4,"score":0.39070001244544983},{"id":"https://openalex.org/C87227347","wikidata":"https://www.wikidata.org/wiki/Q7100713","display_name":"Ordered logit","level":2,"score":0.390500009059906},{"id":"https://openalex.org/C2778279030","wikidata":"https://www.wikidata.org/wiki/Q1543380","display_name":"Live birth","level":3,"score":0.37059998512268066},{"id":"https://openalex.org/C131872663","wikidata":"https://www.wikidata.org/wiki/Q5284418","display_name":"Obstetrics","level":1,"score":0.3617999851703644},{"id":"https://openalex.org/C152877465","wikidata":"https://www.wikidata.org/wiki/Q208042","display_name":"Regression analysis","level":2,"score":0.3433000147342682},{"id":"https://openalex.org/C29456083","wikidata":"https://www.wikidata.org/wiki/Q1221899","display_name":"Gynecology","level":1,"score":0.34040001034736633},{"id":"https://openalex.org/C2781087480","wikidata":"https://www.wikidata.org/wiki/Q17145","display_name":"Sperm","level":2,"score":0.3398999869823456},{"id":"https://openalex.org/C2986587452","wikidata":"https://www.wikidata.org/wiki/Q938438","display_name":"Statistical analysis","level":2,"score":0.3312000036239624},{"id":"https://openalex.org/C148220186","wikidata":"https://www.wikidata.org/wiki/Q7111912","display_name":"Outcome (game theory)","level":2,"score":0.3264000117778778},{"id":"https://openalex.org/C2777589648","wikidata":"https://www.wikidata.org/wiki/Q1501844","display_name":"Semen analysis","level":4,"score":0.31679999828338623},{"id":"https://openalex.org/C114289077","wikidata":"https://www.wikidata.org/wiki/Q3284399","display_name":"Statistical model","level":2,"score":0.3052999973297119},{"id":"https://openalex.org/C2776210078","wikidata":"https://www.wikidata.org/wiki/Q351870","display_name":"Reproductive medicine","level":3,"score":0.3050000071525574},{"id":"https://openalex.org/C72563966","wikidata":"https://www.wikidata.org/wiki/Q1303415","display_name":"Cohort","level":2,"score":0.30329999327659607},{"id":"https://openalex.org/C201903717","wikidata":"https://www.wikidata.org/wiki/Q1778788","display_name":"Cohort study","level":2,"score":0.2935999929904938},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.28949999809265137},{"id":"https://openalex.org/C2777338322","wikidata":"https://www.wikidata.org/wiki/Q280156","display_name":"Male infertility","level":4,"score":0.28290000557899475},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.2793999910354614},{"id":"https://openalex.org/C27403532","wikidata":"https://www.wikidata.org/wiki/Q5532474","display_name":"Generalized estimating equation","level":2,"score":0.2775000035762787},{"id":"https://openalex.org/C2778580812","wikidata":"https://www.wikidata.org/wiki/Q686627","display_name":"Unexplained infertility","level":4,"score":0.26809999346733093},{"id":"https://openalex.org/C83546350","wikidata":"https://www.wikidata.org/wiki/Q1139051","display_name":"Regression","level":2,"score":0.2605000138282776}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1038/s41598-026-78865-9","doi":"https://doi.org/10.1038/s41598-026-78865-9","is_oa":true,"landing_page_url":"https://doi.org/10.1038/s41598-026-78865-9","pdf_url":"https://www.nature.com/articles/s41598-026-78865-9_reference.pdf","source":{"id":"https://openalex.org/S196734849","display_name":"Scientific Reports","issn_l":"2045-2322","issn":["2045-2322"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","doaj","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319908","host_organization_name":"Nature Portfolio","host_organization_lineage":["https://openalex.org/P4310319908","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Nature Portfolio","Springer Nature"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Scientific Reports","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1038/s41598-026-78865-9","doi":"https://doi.org/10.1038/s41598-026-78865-9","is_oa":true,"landing_page_url":"https://doi.org/10.1038/s41598-026-78865-9","pdf_url":"https://www.nature.com/articles/s41598-026-78865-9_reference.pdf","source":{"id":"https://openalex.org/S196734849","display_name":"Scientific Reports","issn_l":"2045-2322","issn":["2045-2322"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","doaj","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319908","host_organization_name":"Nature Portfolio","host_organization_lineage":["https://openalex.org/P4310319908","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Nature Portfolio","Springer Nature"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Scientific Reports","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":0.9537000060081482}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7225429602.pdf","grobid_xml":"https://content.openalex.org/works/W7225429602.grobid-xml"},"referenced_works_count":6,"referenced_works":["https://openalex.org/W2070725307","https://openalex.org/W2130126684","https://openalex.org/W2592668891","https://openalex.org/W2790819975","https://openalex.org/W4250258132","https://openalex.org/W7131106202"],"related_works":["https://openalex.org/W3134002177","https://openalex.org/W2148492753","https://openalex.org/W2938412502","https://openalex.org/W7208812772","https://openalex.org/W4409110042","https://openalex.org/W2261152902","https://openalex.org/W2237204409","https://openalex.org/W4200125780","https://openalex.org/W4393278713","https://openalex.org/W4414041942"],"abstract_inverted_index":{"Infertility":[0],"affects":[1],"millions":[2],"of":[3,36,75,136,223,254,303,316,342,357,361,375,388,394,409,419],"couples":[4],"worldwide,":[5],"and":[6,20,41,61,70,84,93,103,106,201,214,251,314,340,377,398,407,425,442,454],"assisted":[7],"reproductive":[8],"technologies":[9],"(ART)":[10],"such":[11],"as":[12,186],"intrauterine":[13],"insemination":[14],"(IUI),":[15],"intracytoplasmic":[16],"sperm":[17],"injection":[18],"(ICSI),":[19],"frozen":[21],"embryo":[22],"transfer":[23],"(ET":[24],"Freeze)":[25],"are":[26,48],"commonly":[27],"used":[28,194],"to":[29,68,90,96,107,195,450],"treat":[30],"it.":[31],"However,":[32],"the":[33,42,72,98,112,139,172,187,197,205,367,380,417],"success":[34,77,225,363,437],"rates":[35],"these":[37,53],"methods":[38],"vary":[39],"considerably,":[40],"factors":[43,102,389,421],"that":[44,427],"predict":[45],"successful":[46],"outcomes":[47,424],"not":[49],"fully":[50],"understood.":[51],"Identifying":[52],"predictors":[54,74,200,222,267,356,360,434],"is":[55],"crucial":[56],"for":[57,115,177,448],"personalized":[58],"treatment":[59,76,117,141,202,362,429,456],"planning":[60],"improving":[62],"clinical":[63],"decision-making.":[64],"This":[65,119],"study":[66,122],"aims":[67],"identify":[69],"compare":[71],"significant":[73,221,266,354],"across":[78,366],"three":[79,368],"ART":[80,140,369,423],"methods:":[81],"IUI,":[82,210,220,372],"ICSI,":[83,213,265,384],"ET":[85,217,329,403],"Freeze.":[86,218],"We":[87],"also":[88],"seek":[89],"develop":[91],"statistical":[92,441],"mathematical":[94,443],"models":[95,444],"evaluate":[97],"relationship":[99],"between":[100,199],"patient-related":[101],"pregnancy":[104],"outcomes,":[105],"assess":[108],"which":[109],"model":[110,196],"provides":[111],"best":[113],"fit":[114],"predicting":[116],"success.":[118,358],"retrospective":[120],"cohort":[121],"was":[123,138,193],"conducted":[124],"at":[125],"Royan":[126],"Institute,":[127],"Tehran,":[128],"Iran,":[129],"using":[130,178],"data":[131,144],"from":[132,171],"2011\u20132014.":[133],"The":[134,149,359,439],"unit":[135],"analysis":[137],"cycle.":[142],"After":[143],"cleaning,":[145],"6240":[146,206],"cycles":[147,157,170],"remained.":[148],"final":[150],"ordinal":[151,161],"logistic":[152,191],"regression":[153,192],"analyses":[154],"included":[155,268],"4592":[156],"with":[158,183],"a":[159,385],"known":[160],"outcome":[162],"(blighted":[163],"ovum,":[164],"abortion,":[165],"or":[166],"live":[167],"birth).":[168],"Repeated":[169],"same":[173],"couple":[174,184],"were":[175,226,353,379,400,412],"accounted":[176],"generalized":[179],"estimating":[180],"equations":[181],"(GEE)":[182],"ID":[185],"clustering":[188],"variable.":[189],"Ordinal":[190],"association":[198],"outcome.":[203],"Of":[204],"participants,":[207],"209":[208],"underwent":[209,212,216],"2598":[211],"1783":[215],"For":[219,264,328,371,383,402],"reduced":[224],"increasing":[227],"age":[228,269,331,378,406],"(OR":[229,243,256,270,284,294,306,320,332,345],"0.94,":[230],"95%":[231,245,258,272,286,296,308,322,334,347],"CI":[232,246,259,273,287,297,309,323,335,348],"0.87\u20131.00,":[233],"p":[234,248,261,275,289,299,311,325,337,350],"<":[235,276],"0.058),":[236],"BMI":[237,278],"\\(\\ge":[238,279],"\\)":[239,280],"30":[240,281],"kg/m":[241,282],"\\(^2\\)":[242,283],"0.46,":[244],"0.19\u20131.10,":[247],"\\(=\\)":[249,290,300,312,326,338,351],"0.076),":[250],"longer":[252],"duration":[253,374],"infertility":[255],"0.93,":[257,271],"0.86\u20131.02,":[260],"=":[262],"0.116).":[263],"0.92\u20130.95,":[274],"0.001),":[277,313],"0.74,":[285],"0.58\u20130.95,":[288],"0.018),":[291],"fertilization":[292,396],"rate":[293],"1.73,":[295],"1.21\u20132.50,":[298],"0.003),":[301],"number":[302,315,341,393,408],"mature":[304],"oocytes":[305],"2.31,":[307],"1.41\u20133.83,":[310],"grade":[317],"A":[318],"embryos":[319],"1.37,":[321],"1.04\u20131.82,":[324],"0.025).":[327],"Freeze,":[330,404],"0.97,":[333],"0.95\u20130.99,":[336],"0.002)":[339],"previous":[343,410],"abortions":[344,411],"0.77,":[346],"0.60\u20130.99,":[349],"0.037)":[352],"negative":[355],"differ":[364],"significantly":[365],"methods.":[370],"BMI,":[373,391],"infertility,":[376],"main":[381],"predictors.":[382],"broader":[386],"set":[387],"including":[390],"age,":[392],"embryos,":[395],"rate,":[397],"PCOS":[399],"influential.":[401],"only":[405],"significant.":[413],"These":[414],"findings":[415],"highlight":[416],"importance":[418],"patient-specific":[420],"in":[422],"suggest":[426],"tailored":[428],"strategies":[430],"based":[431],"on":[432],"individual":[433],"may":[435],"improve":[436],"rates.":[438],"proposed":[440],"provide":[445],"valuable":[446],"tools":[447],"clinicians":[449],"better":[451],"counsel":[452],"patients":[453],"optimize":[455],"selection.":[457]},"counts_by_year":[],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2026-11-07T00:00:00"}
