{"id":"https://openalex.org/W2012593301","doi":"https://doi.org/10.1210/jcem-44-5-989","title":"Serum Prolactin Levels During the Menstrual Cycle","display_name":"Serum Prolactin Levels During the Menstrual Cycle","publication_year":1977,"publication_date":"1977-05-01","ids":{"openalex":"https://openalex.org/W2012593301","doi":"https://doi.org/10.1210/jcem-44-5-989","mag":"2012593301","pmid":"https://pubmed.ncbi.nlm.nih.gov/558225"},"language":"en","primary_location":{"id":"doi:10.1210/jcem-44-5-989","doi":"https://doi.org/10.1210/jcem-44-5-989","is_oa":false,"landing_page_url":"https://doi.org/10.1210/jcem-44-5-989","pdf_url":null,"source":{"id":"https://openalex.org/S205775358","display_name":"The Journal of Clinical Endocrinology & Metabolism","issn_l":"0021-972X","issn":["0021-972X","1945-7197"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-b","doyens","jufo-3","ki-jl-3","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":"The Journal of Clinical Endocrinology & Metabolism","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/106189","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5111872285","display_name":"Marcel Vekemans","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210154425","display_name":"Centre Hospitalier Universitaire de Saint-Pierre","ror":"https://ror.org/05cmp5q80","country_code":"BE","type":"healthcare","lineage":["https://openalex.org/I4210154425"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"M. VEKEMANS","raw_affiliation_strings":["Human Reproduction Research Unit, H\u00f4pital Saint-Pierre, University of Brussels rue Haute 322, 1000\u2014Brussels, Belgium"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Human Reproduction Research Unit, H\u00f4pital Saint-Pierre, University of Brussels rue Haute 322, 1000\u2014Brussels, Belgium","institution_ids":["https://openalex.org/I4210154425"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067806245","display_name":"Pierre Delvoye","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210154425","display_name":"Centre Hospitalier Universitaire de Saint-Pierre","ror":"https://ror.org/05cmp5q80","country_code":"BE","type":"healthcare","lineage":["https://openalex.org/I4210154425"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"P. DELVOYE","raw_affiliation_strings":["Human Reproduction Research Unit, H\u00f4pital Saint-Pierre, University of Brussels rue Haute 322, 1000\u2014Brussels, Belgium"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Human Reproduction Research Unit, H\u00f4pital Saint-Pierre, University of Brussels rue Haute 322, 1000\u2014Brussels, Belgium","institution_ids":["https://openalex.org/I4210154425"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111502760","display_name":"Marc L'Hermite","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210154425","display_name":"Centre Hospitalier Universitaire de Saint-Pierre","ror":"https://ror.org/05cmp5q80","country_code":"BE","type":"healthcare","lineage":["https://openalex.org/I4210154425"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"M. LHERMITE","raw_affiliation_strings":["Human Reproduction Research Unit, H\u00f4pital Saint-Pierre, University of Brussels rue Haute 322, 1000\u2014Brussels, Belgium"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Human Reproduction Research Unit, H\u00f4pital Saint-Pierre, University of Brussels rue Haute 322, 1000\u2014Brussels, Belgium","institution_ids":["https://openalex.org/I4210154425"]}]},{"author_position":"last","author":{"id":null,"display_name":"C. ROBYN","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210154425","display_name":"Centre Hospitalier Universitaire de Saint-Pierre","ror":"https://ror.org/05cmp5q80","country_code":"BE","type":"healthcare","lineage":["https://openalex.org/I4210154425"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"C. ROBYN","raw_affiliation_strings":["Human Reproduction Research Unit, H\u00f4pital Saint-Pierre, University of Brussels rue Haute 322, 1000\u2014Brussels, Belgium"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Human Reproduction Research Unit, H\u00f4pital Saint-Pierre, University of Brussels rue Haute 322, 1000\u2014Brussels, Belgium","institution_ids":["https://openalex.org/I4210154425"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210154425"],"apc_list":{"value":3750,"currency":"USD","value_usd":3750},"apc_paid":null,"fwci":10.2403,"has_fulltext":false,"cited_by_count":131,"citation_normalized_percentile":{"value":0.98852673,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"44","issue":"5","first_page":"989","last_page":"993"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10960","display_name":"Hypothalamic control of reproductive hormones","score":0.8842999935150146,"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/T10960","display_name":"Hypothalamic control of reproductive hormones","score":0.8842999935150146,"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/T10748","display_name":"Growth Hormone and Insulin-like Growth Factors","score":0.04500000178813934,"subfield":{"id":"https://openalex.org/subfields/2712","display_name":"Endocrinology, Diabetes and Metabolism"},"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":0.026499999687075615,"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/serum-prolactin","display_name":"serum prolactin","score":0.9089999794960022},{"id":"https://openalex.org/keywords/menstrual-cycle","display_name":"menstrual cycle","score":0.9980000257492065},{"id":"https://openalex.org/keywords/luteinizing-hormone","display_name":"luteinizing hormone","score":0.7699999809265137},{"id":"https://openalex.org/keywords/follicular-phase","display_name":"follicular phase","score":0.9340000152587891},{"id":"https://openalex.org/keywords/luteal-phase","display_name":"luteal phase","score":1.0},{"id":"https://openalex.org/keywords/ovulation","display_name":"ovulation","score":0.5270000100135803},{"id":"https://openalex.org/keywords/estradiol","display_name":"estradiol","score":0.7630000114440918},{"id":"https://openalex.org/keywords/hypothalamic-pituitary-ovarian-axis","display_name":"hypothalamic-pituitary-ovarian axis","score":0.781000018119812}],"concepts":[{"id":"https://openalex.org/C176685330","wikidata":"https://www.wikidata.org/wiki/Q857638","display_name":"Radioimmunoassay","level":2,"score":0.9418301582336426},{"id":"https://openalex.org/C2779064019","wikidata":"https://www.wikidata.org/wiki/Q66590068","display_name":"Prolactin","level":3,"score":0.908744215965271},{"id":"https://openalex.org/C2779058012","wikidata":"https://www.wikidata.org/wiki/Q83864","display_name":"Menstrual cycle","level":3,"score":0.8294695019721985},{"id":"https://openalex.org/C187785154","wikidata":"https://www.wikidata.org/wiki/Q5464664","display_name":"Follicular phase","level":2,"score":0.7748994827270508},{"id":"https://openalex.org/C134018914","wikidata":"https://www.wikidata.org/wiki/Q162606","display_name":"Endocrinology","level":1,"score":0.767633318901062},{"id":"https://openalex.org/C143228043","wikidata":"https://www.wikidata.org/wiki/Q2363481","display_name":"Luteal phase","level":3,"score":0.7542988061904907},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.7402165532112122},{"id":"https://openalex.org/C64894306","wikidata":"https://www.wikidata.org/wiki/Q849622","display_name":"Homologous chromosome","level":3,"score":0.5715005993843079},{"id":"https://openalex.org/C3020081911","wikidata":"https://www.wikidata.org/wiki/Q3918988","display_name":"Serum concentration","level":2,"score":0.4292595088481903},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.3738715946674347},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.3661823868751526},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.3254627585411072},{"id":"https://openalex.org/C71315377","wikidata":"https://www.wikidata.org/wiki/Q11364","display_name":"Hormone","level":2,"score":0.23765158653259277},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.051775723695755005},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0}],"mesh":[{"descriptor_ui":"D000818","descriptor_name":"Animals","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":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008598","descriptor_name":"Menstruation","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D011388","descriptor_name":"Prolactin","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":true},{"descriptor_ui":"D011863","descriptor_name":"Radioimmunoassay","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012756","descriptor_name":"Sheep","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013045","descriptor_name":"Species Specificity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":3,"locations":[{"id":"doi:10.1210/jcem-44-5-989","doi":"https://doi.org/10.1210/jcem-44-5-989","is_oa":false,"landing_page_url":"https://doi.org/10.1210/jcem-44-5-989","pdf_url":null,"source":{"id":"https://openalex.org/S205775358","display_name":"The Journal of Clinical Endocrinology & Metabolism","issn_l":"0021-972X","issn":["0021-972X","1945-7197"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-b","doyens","jufo-3","ki-jl-3","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":"The Journal of Clinical Endocrinology & Metabolism","raw_type":"journal-article"},{"id":"pmid:558225","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/558225","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":"The Journal of clinical endocrinology and metabolism","raw_type":"Journal Article"},{"id":"pmh:oai:dipot.ulb.ac.be:2013/106189","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/106189","pdf_url":null,"source":{"id":"https://openalex.org/S4306401063","display_name":"D\u00e9p\u00f4t institutionnel de l'Universit\u00e9 libre de Bruxelles (Universit\u00e9 Libre de Bruxelles)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I132053463","host_organization_name":"Universit\u00e9 Libre de Bruxelles","host_organization_lineage":["https://openalex.org/I132053463"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"The Journal of clinical endocrinology and metabolism, 44 (5","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"pmh:oai:dipot.ulb.ac.be:2013/106189","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/106189","pdf_url":null,"source":{"id":"https://openalex.org/S4306401063","display_name":"D\u00e9p\u00f4t institutionnel de l'Universit\u00e9 libre de Bruxelles (Universit\u00e9 Libre de Bruxelles)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I132053463","host_organization_name":"Universit\u00e9 Libre de Bruxelles","host_organization_lineage":["https://openalex.org/I132053463"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"The Journal of clinical endocrinology and metabolism, 44 (5","raw_type":"info:eu-repo/semantics/article"},"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.766700029373169,"id":"https://metadata.un.org/sdg/3"}],"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":20,"referenced_works":["https://openalex.org/W219542936","https://openalex.org/W592391053","https://openalex.org/W1529873354","https://openalex.org/W1683620476","https://openalex.org/W1982340928","https://openalex.org/W1983126231","https://openalex.org/W1992020758","https://openalex.org/W2002546037","https://openalex.org/W2018695869","https://openalex.org/W2026716790","https://openalex.org/W2033417844","https://openalex.org/W2055361854","https://openalex.org/W2062890070","https://openalex.org/W2076027242","https://openalex.org/W2095363737","https://openalex.org/W2098761755","https://openalex.org/W2116281979","https://openalex.org/W2123126335","https://openalex.org/W2188704597","https://openalex.org/W4297914889"],"related_works":["https://openalex.org/W2266881390","https://openalex.org/W2035507526","https://openalex.org/W2182104983","https://openalex.org/W2020846394","https://openalex.org/W1573877328","https://openalex.org/W2095363737","https://openalex.org/W2416055982","https://openalex.org/W1983126231","https://openalex.org/W2076197119","https://openalex.org/W2417857114"],"abstract_inverted_index":{"Serum":[0,54],"prolactin":[1,39,55,80,104,131],"has":[2],"been":[3],"measured":[4],"in":[5,37],"blood":[6],"samples":[7],"collected":[8],"daily":[9],"during":[10,40,61,66,132],"51":[11],"menstrual":[12,134],"cycles":[13,21],"using":[14,95],"an":[15,23],"homologous":[16,24,117,123],"human":[17,124],"radioimmunoassay":[18,26],"for":[19,27,107,139],"17":[20],"and":[22,34],"ovine":[25,118],"34":[28],"cycles.":[29],"There":[30],"was":[31,82,111],"a":[32,46],"progressive":[33],"significant":[35],"increase":[36],"serum":[38,79,99,103,130],"the":[41,51,62,74,77,96,101,108,116,122,133],"late":[42],"follicular":[43,68],"phase,":[44],"with":[45,90,115,121],"maximal":[47],"value":[48],"concomitant":[49],"to":[50],"LH":[52],"peak.":[53],"levels":[56],"were":[57,88],"also":[58],"significantly":[59],"higher":[60,114],"luteal":[63],"phase":[64],"than":[65,120],"early":[67],"phase.":[69],"In":[70],"some":[71],"70%":[72],"of":[73,129],"individual":[75],"cycles,":[76],"highest":[78],"level":[81,105],"found":[83],"at":[84],"mid-cycle.":[85],"Similar":[86],"patterns":[87],"obtained":[89],"both":[91],"radioimmunoassays.":[92],"However,":[93],"when":[94],"same":[97],"laboratory":[98],"standard,":[100],"average":[102],"calculated":[106],"entire":[109],"cycle":[110,135],"1.6":[112],"times":[113],"assay":[119],"assay.":[125],"The":[126],"overall":[127],"pattern":[128],"resembles":[136],"that":[137],"reported":[138],"circulating":[140],"17beta-estradiol.":[141]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":4},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":3},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}