{"id":"https://openalex.org/W58891796","doi":null,"title":"Total ovulating period: any contribution to ovarian carcinogenesis?","display_name":"Total ovulating period: any contribution to ovarian carcinogenesis?","publication_year":2005,"publication_date":"2005-09-01","ids":{"openalex":"https://openalex.org/W58891796","mag":"58891796","pmid":"https://pubmed.ncbi.nlm.nih.gov/16749367"},"language":"en","primary_location":{"id":"pmid:16749367","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/16749367","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"African journal of medicine and medical sciences","raw_type":"Journal Article"},"volume":null,"type":"article","indexed_in":["pubmed"],"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/A5112420716","display_name":"Akin-Tunde Ademola Odukogbe","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I181631907","display_name":"University of Ibadan","ror":"https://ror.org/03wx2rr30","country_code":"NG","type":"education","lineage":["https://openalex.org/I181631907"]},{"id":"https://openalex.org/I2800598127","display_name":"University College Hospital, Ibadan","ror":"https://ror.org/022yvqh08","country_code":"NG","type":"healthcare","lineage":["https://openalex.org/I2800598127"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"A A Odukogbe","raw_affiliation_strings":["Ovarian Cancer Service, Gynecological Oncology Unit, Department of Obstetrics and Gynecology, College of Medicine/University College Hospital, University of Ibadan, Ibadan, Nigeria. akintundeodukogbe@yahoo.com"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ovarian Cancer Service, Gynecological Oncology Unit, Department of Obstetrics and Gynecology, College of Medicine/University College Hospital, University of Ibadan, Ibadan, Nigeria. akintundeodukogbe@yahoo.com","institution_ids":["https://openalex.org/I181631907","https://openalex.org/I2800598127"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008794707","display_name":"Clement Adebamowo","orcid":"https://orcid.org/0000-0002-6571-2880","observed_orcids":["https://orcid.org/0000-0002-6571-2880"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"C A Adebamowo","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050389277","display_name":"AO Adeniji","orcid":"https://orcid.org/0000-0002-8489-1511","observed_orcids":["https://orcid.org/0000-0002-8489-1511"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"A O Adeniji","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070233273","display_name":"Akinyinka O. Omigbodun","orcid":"https://orcid.org/0000-0002-6377-9299","observed_orcids":["https://orcid.org/0000-0002-6377-9299"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"A O Omigbodun","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":null,"display_name":"O Olayemi","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"O Olayemi","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034287826","display_name":"Adesina Oladokun","orcid":"https://orcid.org/0000-0002-5489-8333","observed_orcids":["https://orcid.org/0000-0002-5489-8333"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"A Oladokun","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013934999","display_name":"Michael S Owolabi","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"M S Owolabi","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027589070","display_name":"Christopher Odianosen Aimakhu","orcid":"https://orcid.org/0000-0002-9012-2567","observed_orcids":["https://orcid.org/0000-0002-9012-2567"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"C Aimakhu","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112014063","display_name":"I F Adewole","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"I F Adewole","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5074321737","display_name":"Eme Owoaje","orcid":"https://orcid.org/0000-0002-0491-6732","observed_orcids":["https://orcid.org/0000-0002-0491-6732"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"E Owoaje","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.00977577,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":94},"biblio":{"volume":"34","issue":"3","first_page":"307","last_page":"9"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10550","display_name":"Ovarian cancer diagnosis and treatment","score":0.625,"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/T10550","display_name":"Ovarian cancer diagnosis and treatment","score":0.625,"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/T12103","display_name":"Cancer Risks and Factors","score":0.3571999967098236,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"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/T10390","display_name":"Ovarian function and disorders","score":0.010999999940395355,"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/ovarian-cancer","display_name":"ovarian cancer","score":0.9480000138282776},{"id":"https://openalex.org/keywords/parity","display_name":"parity","score":0.8119999766349792},{"id":"https://openalex.org/keywords/breastfeeding","display_name":"breastfeeding","score":0.5899999737739563},{"id":"https://openalex.org/keywords/ovarian-carcinogenesis","display_name":"ovarian carcinogenesis","score":0.824999988079071},{"id":"https://openalex.org/keywords/developing-countries","display_name":"developing countries","score":0.34599998593330383}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9242659211158752},{"id":"https://openalex.org/C2777702977","wikidata":"https://www.wikidata.org/wiki/Q187082","display_name":"Ovulation","level":3,"score":0.7708165645599365},{"id":"https://openalex.org/C2780427987","wikidata":"https://www.wikidata.org/wiki/Q172341","display_name":"Ovarian cancer","level":3,"score":0.7430838942527771},{"id":"https://openalex.org/C137627325","wikidata":"https://www.wikidata.org/wiki/Q156318","display_name":"Etiology","level":2,"score":0.5931394100189209},{"id":"https://openalex.org/C2777151079","wikidata":"https://www.wikidata.org/wiki/Q141160","display_name":"Parity (physics)","level":2,"score":0.501701831817627},{"id":"https://openalex.org/C29456083","wikidata":"https://www.wikidata.org/wiki/Q1221899","display_name":"Gynecology","level":1,"score":0.4924536645412445},{"id":"https://openalex.org/C121608353","wikidata":"https://www.wikidata.org/wiki/Q12078","display_name":"Cancer","level":2,"score":0.43661007285118103},{"id":"https://openalex.org/C42407357","wikidata":"https://www.wikidata.org/wiki/Q521","display_name":"Physiology","level":1,"score":0.39823251962661743},{"id":"https://openalex.org/C131872663","wikidata":"https://www.wikidata.org/wiki/Q5284418","display_name":"Obstetrics","level":1,"score":0.3553623557090759},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.3464691638946533},{"id":"https://openalex.org/C71315377","wikidata":"https://www.wikidata.org/wiki/Q11364","display_name":"Hormone","level":2,"score":0.23093464970588684},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C109214941","wikidata":"https://www.wikidata.org/wiki/Q18334","display_name":"Particle physics","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006306","descriptor_name":"Health Surveys","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006306","descriptor_name":"Health Surveys","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006306","descriptor_name":"Health Surveys","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006785","descriptor_name":"Hospitals, University","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006785","descriptor_name":"Hospitals, University","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006785","descriptor_name":"Hospitals, University","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009549","descriptor_name":"Nigeria","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009549","descriptor_name":"Nigeria","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009549","descriptor_name":"Nigeria","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D010051","descriptor_name":"Ovarian Neoplasms","qualifier_ui":"Q000209","qualifier_name":"etiology","is_major_topic":false},{"descriptor_ui":"D010051","descriptor_name":"Ovarian Neoplasms","qualifier_ui":"Q000209","qualifier_name":"etiology","is_major_topic":false},{"descriptor_ui":"D010051","descriptor_name":"Ovarian Neoplasms","qualifier_ui":"Q000209","qualifier_name":"etiology","is_major_topic":false},{"descriptor_ui":"D010051","descriptor_name":"Ovarian Neoplasms","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":false},{"descriptor_ui":"D010051","descriptor_name":"Ovarian Neoplasms","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":false},{"descriptor_ui":"D010051","descriptor_name":"Ovarian Neoplasms","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":false},{"descriptor_ui":"D010060","descriptor_name":"Ovulation","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D010060","descriptor_name":"Ovulation","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D010060","descriptor_name":"Ovulation","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D010298","descriptor_name":"Parity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D010298","descriptor_name":"Parity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D010298","descriptor_name":"Parity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D011247","descriptor_name":"Pregnancy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011247","descriptor_name":"Pregnancy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011247","descriptor_name":"Pregnancy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011795","descriptor_name":"Surveys and Questionnaires","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011795","descriptor_name":"Surveys and Questionnaires","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011795","descriptor_name":"Surveys and Questionnaires","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012307","descriptor_name":"Risk Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012307","descriptor_name":"Risk Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012307","descriptor_name":"Risk Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013997","descriptor_name":"Time Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013997","descriptor_name":"Time Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013997","descriptor_name":"Time Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016022","descriptor_name":"Case-Control Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016022","descriptor_name":"Case-Control Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016022","descriptor_name":"Case-Control Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D018570","descriptor_name":"Risk Assessment","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D018570","descriptor_name":"Risk Assessment","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D018570","descriptor_name":"Risk Assessment","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"pmid:16749367","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/16749367","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"African journal of medicine and medical sciences","raw_type":"Journal Article"},{"id":"mag:58891796","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/16749367","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":"PubMed","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":1.0}],"sustainable_development_goals_aurora":[],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W1969393479","https://openalex.org/W128082852","https://openalex.org/W2429675654","https://openalex.org/W2146274031","https://openalex.org/W2550439235","https://openalex.org/W2059415450","https://openalex.org/W2126962002","https://openalex.org/W2080776794","https://openalex.org/W2128371309","https://openalex.org/W3037194519","https://openalex.org/W3192319196","https://openalex.org/W2081523865","https://openalex.org/W2989940667","https://openalex.org/W128299648","https://openalex.org/W2395486674","https://openalex.org/W2802641649","https://openalex.org/W1997596195","https://openalex.org/W2564863718","https://openalex.org/W52749938","https://openalex.org/W2369137899"],"abstract_inverted_index":{"The":[0,106,125,143,162,181],"etiology":[1],"of":[2,10,14,36,48,80,128,149,165,187,203],"ovarian":[3,67,82,104,222],"cancer":[4,29,68,83,223],"has":[5],"many":[6],"postulates":[7],"including":[8],"that":[9,19],"incessant":[11],"ovulation.":[12],"Women":[13],"high":[15],"parity":[16,38,127],"especially":[17],"those":[18],"breastfeed":[20],"in":[21,31,140,155,216],"addition":[22],"are":[23,35],"supposed":[24],"to":[25,102,136],"be":[26,231],"protected.":[27],"Ovarian":[28],"patients":[30,69,84,99,111,130,144,167,182,224],"the":[32,46,52,59,110,117,129,141,156,166,175,200,217],"developing":[33],"world":[34],"higher":[37],"than":[39],"their":[40],"Caucasian":[41],"counterparts.":[42],"Our":[43,209],"study":[44,210],"compared":[45,135],"length":[47],"reproductive":[49],"career":[50],"(LRC),":[51],"physiological":[53],"ovulation":[54],"free":[55],"period":[56,62],"(PFP)":[57],"and":[58,70,92,96,173,225],"total":[60,218],"ovulating":[61,219],"(TOP)":[63],"amongst":[64],"histologically":[65],"proven":[66],"age":[71,108],"-":[72],"matched":[73],"controls.":[74,142,201,227],"This":[75],"is":[76],"a":[77,146,184],"questionnaire":[78],"survey":[79],"21":[81],"managed":[85],"by":[86],"us":[87],"between":[88,221],"1st":[89],"December":[90],"1998":[91],"31st":[93],"July":[94],"2002":[95],"42":[97],"gynaecological":[98],"not":[100],"known":[101],"have":[103],"cancer.":[105],"mean":[107,126,147,163,185],"among":[109,116],"was":[112,120,131,159,168,194,206],"45.7+16.9":[113],"years":[114,153,172,191,198],"while":[115,154,192],"controls":[118,157,176],"it":[119,158],"45.4":[121],"+/-":[122,133,138,151,170,178,189,196],"16.1":[123],"years.":[124,161,180],"3.6":[132],"2.2":[134],"3.4":[137],"2.9":[139],"had":[145,183],"LRC":[148],"23.8":[150],"11.2":[152],"25.7+10.8":[160],"PFP":[164],"7.4":[169],"5.6":[171],"for":[174,199],"7.1":[177],"6.5":[179],"TOP":[186],"15.8":[188],"8.8":[190],"this":[193],"18.6":[195],"8.1":[197],"None":[202],"these":[204],"differences":[205,215],"statistically":[207,213],"significant.":[208],"revealed":[211],"no":[212],"significant":[214],"periods":[220],"age-matched":[226],"Further":[228],"studies":[229],"will":[230],"necessary.":[232]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2016,"cited_by_count":1}],"updated_date":"2026-09-29T14:09:16.559479","created_date":"2025-10-10T00:00:00"}