{"id":"https://openalex.org/W4220968618","doi":"https://doi.org/10.12996/gmj.2022.38","title":"The Impact of Serum LH levels on the Day of hCG Trigger on IVF Outcomes in Patients Undergoing GnRH Antagonist Protocols","display_name":"The Impact of Serum LH levels on the Day of hCG Trigger on IVF Outcomes in Patients Undergoing GnRH Antagonist Protocols","publication_year":2022,"publication_date":"2022-03-17","ids":{"openalex":"https://openalex.org/W4220968618","doi":"https://doi.org/10.12996/gmj.2022.38"},"language":"en","primary_location":{"id":"doi:10.12996/gmj.2022.38","doi":"https://doi.org/10.12996/gmj.2022.38","is_oa":true,"landing_page_url":"https://doi.org/10.12996/gmj.2022.38","pdf_url":null,"source":{"id":"https://openalex.org/S4210229429","display_name":"Gazi Medical Journal","issn_l":"1300-056X","issn":["1300-056X","2147-2092"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","dongbi-c","poland-20","russia-white-list-4","tr-dizin"],"host_organization":"https://openalex.org/P4310318265","host_organization_name":"Gazi University","host_organization_lineage":["https://openalex.org/P4310318265"],"host_organization_lineage_names":["Gazi University"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Gazi Medical Journal","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://doi.org/10.12996/gmj.2022.38","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5017567909","display_name":"Erhan Demirda\u011f","orcid":"https://orcid.org/0000-0003-4599-3854","observed_orcids":["https://orcid.org/0000-0003-4599-3854"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Erhan Demirda\u011f","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052080687","display_name":"\u0130smail G\u00fcler","orcid":"https://orcid.org/0000-0002-8098-2483","observed_orcids":["https://orcid.org/0000-0002-8098-2483"]},"institutions":[{"id":"https://openalex.org/I95634034","display_name":"Gazi University","ror":"https://ror.org/054xkpr46","country_code":"TR","type":"education","lineage":["https://openalex.org/I95634034"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"\u0130smail G\u00fcler","raw_affiliation_strings":["Gazi University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Gazi University","institution_ids":["https://openalex.org/I95634034"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039690976","display_name":"Cengiz Karakaya","orcid":"https://orcid.org/0000-0002-0399-9150","observed_orcids":["https://orcid.org/0000-0002-0399-9150"]},"institutions":[{"id":"https://openalex.org/I95634034","display_name":"Gazi University","ror":"https://ror.org/054xkpr46","country_code":"TR","type":"education","lineage":["https://openalex.org/I95634034"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"Cengiz Karakaya","raw_affiliation_strings":["Gazi University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Gazi University","institution_ids":["https://openalex.org/I95634034"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088530333","display_name":"Esin \u015eahin Toruk","orcid":"https://orcid.org/0000-0002-6509-1949","observed_orcids":["https://orcid.org/0000-0002-6509-1949"]},"institutions":[{"id":"https://openalex.org/I95634034","display_name":"Gazi University","ror":"https://ror.org/054xkpr46","country_code":"TR","type":"education","lineage":["https://openalex.org/I95634034"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"Esin \u015eahin","raw_affiliation_strings":["Gazi University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Gazi University","institution_ids":["https://openalex.org/I95634034"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074737838","display_name":"M\u00fcnire Funda Cevher Akdulum","orcid":"https://orcid.org/0000-0003-2285-7112","observed_orcids":["https://orcid.org/0000-0003-2285-7112"]},"institutions":[{"id":"https://openalex.org/I95634034","display_name":"Gazi University","ror":"https://ror.org/054xkpr46","country_code":"TR","type":"education","lineage":["https://openalex.org/I95634034"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"M\u00fcnire Funda Cevher Akdulum","raw_affiliation_strings":["Gazi University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Gazi University","institution_ids":["https://openalex.org/I95634034"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012460400","display_name":"Ahmet Erdem","orcid":"https://orcid.org/0000-0001-9944-6894","observed_orcids":["https://orcid.org/0000-0001-9944-6894","https://orcid.org/0000-0002-1950-9670"]},"institutions":[{"id":"https://openalex.org/I95634034","display_name":"Gazi University","ror":"https://ror.org/054xkpr46","country_code":"TR","type":"education","lineage":["https://openalex.org/I95634034"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"Ahmet Erdem","raw_affiliation_strings":["Gazi University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Gazi University","institution_ids":["https://openalex.org/I95634034"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5032875701","display_name":"Mehmet Erdem","orcid":"https://orcid.org/0000-0002-1939-7138","observed_orcids":["https://orcid.org/0000-0002-1939-7138"]},"institutions":[{"id":"https://openalex.org/I95634034","display_name":"Gazi University","ror":"https://ror.org/054xkpr46","country_code":"TR","type":"education","lineage":["https://openalex.org/I95634034"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"Mehmet Erdem","raw_affiliation_strings":["Gazi University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Gazi University","institution_ids":["https://openalex.org/I95634034"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.1576,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.37517767,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"33","issue":"2","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10364","display_name":"Reproductive Biology and Fertility","score":0.5702999830245972,"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/T10364","display_name":"Reproductive Biology and Fertility","score":0.5702999830245972,"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/T11156","display_name":"Reproductive Health and Technologies","score":0.26489999890327454,"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":0.09390000253915787,"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/luteinizing-hormone","display_name":"luteinizing hormone","score":0.9589999914169312},{"id":"https://openalex.org/keywords/hcg-trigger-day","display_name":"hCG trigger day","score":0.8230000138282776},{"id":"https://openalex.org/keywords/gnrh-antagonist-protocol","display_name":"GnRH antagonist protocol","score":0.9679999947547913},{"id":"https://openalex.org/keywords/ivf-outcomes","display_name":"IVF outcomes","score":0.8830000162124634},{"id":"https://openalex.org/keywords/poor-responders","display_name":"poor responders","score":0.6669999957084656},{"id":"https://openalex.org/keywords/oocyte-retrieval","display_name":"oocyte retrieval","score":0.7039999961853027},{"id":"https://openalex.org/keywords/embryo-implantation-rate","display_name":"embryo implantation rate","score":0.7450000047683716},{"id":"https://openalex.org/keywords/live-birth-rate","display_name":"live birth rate","score":0.8299999833106995},{"id":"https://openalex.org/keywords/clinical-pregnancy-rate","display_name":"clinical pregnancy rate","score":0.8059999942779541},{"id":"https://openalex.org/keywords/gonadotropin-dose","display_name":"gonadotropin dose","score":0.7649999856948853},{"id":"https://openalex.org/keywords/maternal-age","display_name":"maternal age","score":0.7049999833106995}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9682630300521851},{"id":"https://openalex.org/C2776885963","wikidata":"https://www.wikidata.org/wiki/Q245204","display_name":"Antagonist","level":3,"score":0.6460579633712769},{"id":"https://openalex.org/C29456083","wikidata":"https://www.wikidata.org/wiki/Q1221899","display_name":"Gynecology","level":1,"score":0.44229066371917725},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.34930533170700073},{"id":"https://openalex.org/C170493617","wikidata":"https://www.wikidata.org/wiki/Q208467","display_name":"Receptor","level":2,"score":0.1750544309616089}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.12996/gmj.2022.38","doi":"https://doi.org/10.12996/gmj.2022.38","is_oa":true,"landing_page_url":"https://doi.org/10.12996/gmj.2022.38","pdf_url":null,"source":{"id":"https://openalex.org/S4210229429","display_name":"Gazi Medical Journal","issn_l":"1300-056X","issn":["1300-056X","2147-2092"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","dongbi-c","poland-20","russia-white-list-4","tr-dizin"],"host_organization":"https://openalex.org/P4310318265","host_organization_name":"Gazi University","host_organization_lineage":["https://openalex.org/P4310318265"],"host_organization_lineage_names":["Gazi University"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Gazi Medical Journal","raw_type":"journal-article"},{"id":"pmh:oai:ojs3.medicaljournal.gazi.edu.tr:article/3409","doi":null,"is_oa":true,"landing_page_url":"https://medicaljournal.gazi.edu.tr/index.php/GMJ/article/view/3409","pdf_url":"https://medicaljournal.gazi.edu.tr/index.php/GMJ/article/download/3409/2556/34999","source":{"id":"https://openalex.org/S4210229429","display_name":"Gazi Medical Journal","issn_l":"1300-056X","issn":["1300-056X","2147-2092"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","dongbi-c","poland-20","russia-white-list-4","tr-dizin"],"host_organization":"https://openalex.org/P4310318265","host_organization_name":"Gazi University","host_organization_lineage":["https://openalex.org/P4310318265"],"host_organization_lineage_names":["Gazi University"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2147-2092","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"doi:10.12996/gmj.2022.38","doi":"https://doi.org/10.12996/gmj.2022.38","is_oa":true,"landing_page_url":"https://doi.org/10.12996/gmj.2022.38","pdf_url":null,"source":{"id":"https://openalex.org/S4210229429","display_name":"Gazi Medical Journal","issn_l":"1300-056X","issn":["1300-056X","2147-2092"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","dongbi-c","poland-20","russia-white-list-4","tr-dizin"],"host_organization":"https://openalex.org/P4310318265","host_organization_name":"Gazi University","host_organization_lineage":["https://openalex.org/P4310318265"],"host_organization_lineage_names":["Gazi University"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Gazi Medical Journal","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.979200005531311,"id":"https://metadata.un.org/sdg/3"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321861","display_name":"Gazi \u00dcniversitesi","ror":"https://ror.org/054xkpr46"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4220968618.pdf","grobid_xml":"https://content.openalex.org/works/W4220968618.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W7221403000","https://openalex.org/W3092957553","https://openalex.org/W3215692762","https://openalex.org/W2067066995","https://openalex.org/W4380537330","https://openalex.org/W2101490331","https://openalex.org/W3029393598","https://openalex.org/W4409346648","https://openalex.org/W4401819789","https://openalex.org/W2972301991"],"abstract_inverted_index":{"Objective:":[0],"To":[1],"evaluate":[2],"whether":[3],"hCG":[4,62,196,210,234],"day":[5,63,197,211,235],"serum":[6,64,195],"LH":[7,56,65,69,74,81,198,212,236],"levels":[8,57,199,213,237],"have":[9],"an":[10],"impact":[11],"on":[12],"IVF":[13,32,45,241],"outcomes":[14,242],"in":[15,29,103,118,141,173,204,215,220,229,243],"patients":[16],"undergoing":[17],"GnRH":[18,48,225],"antagonist":[19,244],"protocols.":[20],"Methods:":[21],"This":[22],"retrospective":[23],"cohort":[24],"study":[25],"was":[26,90,100],"carried":[27],"out":[28],"a":[30],"private":[31],"clinic":[33],"from":[34],"September":[35],"2017":[36],"to":[37,61,122,148],"January":[38],"2021.":[39],"A":[40],"total":[41],"of":[42,87,96,190],"971":[43],"completed":[44],"cycles":[46],"with":[47,54],"antagonists":[49,226],"were":[50,58,115,138,169,200],"evaluated.":[51],"Three":[52],"groups":[53,124],"different":[55],"analysed":[59],"according":[60],"concentrations:":[66],"Group":[67,72,79],"1:":[68],"\u226510":[70],"mIU/ml,":[71,77],"2:":[73],"=":[75],"1.2-10":[76],"and":[78,93,112,131,154,164,194,224],"3:":[80],"<1.2":[82],"mIU/ml.":[83],"Results:":[84],"Total":[85],"dose":[86],"gonadotropin":[88],"consumption":[89],"significantly":[91,101,116,139,171],"higher,":[92],"the":[94,201],"number":[95,189],"MII":[97,191],"oocytes":[98,192],"retrieved":[99],"lower":[102,117,140,172,233],"group":[104,119,142,149,155,174],"3":[105,120,143,175],"than":[106,176],"others":[107,177],"(p<0.001).":[108],"The":[109],"maturation":[110],"rates":[111,114,134],"implantation":[113],"compared":[121,147],"other":[123],"(p<0.05,":[125],"p<0.05,":[126],"respectively).":[127,162,180],"Clinical":[128],"pregnancy":[129,217],"(CPR)":[130],"live":[132,206],"birth":[133],"(LBR)":[135],"per":[136,166],"cycle":[137],"(6.2%,":[144],"6.2%,":[145],"respectively)":[146,153,159],"1":[150],"(41.3%,":[151],"35.3,":[152],"2":[156],"(38.7%,":[157],"31.4%,":[158],"(p<0.001,":[160],"p<0.001,":[161],"CPR":[163],"LBR":[165],"embryo":[167],"transfer":[168],"also":[170],"(p=0.003,":[178],"p=0.029,":[179],"Multivariate":[181],"logistic":[182],"regression":[183],"analysis":[184],"revealed":[185],"that":[186],"female":[187],"age,":[188],"retrieved,":[193],"significant":[202],"variables":[203],"predicting":[205],"birth.":[207],"Conclusion:":[208],"Higher":[209],"result":[214],"poor":[216,222],"outcomes,":[218],"especially":[219],"older":[221],"responders,":[223],"seem":[227],"ineffective":[228],"these":[230],"patients.":[231],"However,":[232],"may":[238],"not":[239],"affect":[240],"cycles.":[245]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2022-04-03T00:00:00"}
