{"id":"https://openalex.org/W2013601407","doi":"https://doi.org/10.1016/j.ijgo.2005.02.005","title":"Pregnancy outcomes in in vitro fertilization cycles with serum estradiol drop prior to human chorionic gonadotropin","display_name":"Pregnancy outcomes in in vitro fertilization cycles with serum estradiol drop prior to human chorionic gonadotropin","publication_year":2005,"publication_date":"2005-03-29","ids":{"openalex":"https://openalex.org/W2013601407","doi":"https://doi.org/10.1016/j.ijgo.2005.02.005","mag":"2013601407","pmid":"https://pubmed.ncbi.nlm.nih.gov/15847876"},"language":"en","primary_location":{"id":"doi:10.1016/j.ijgo.2005.02.005","doi":"https://doi.org/10.1016/j.ijgo.2005.02.005","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.ijgo.2005.02.005","pdf_url":null,"source":{"id":"https://openalex.org/S4210216427","display_name":"International Journal of Gynecology & Obstetrics","issn_l":"0020-6695","issn":["0020-6695","0020-7292","1879-3479"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-70","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Gynecology &amp; Obstetrics","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","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/A5015367180","display_name":"Aaron Kyle Styer","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1283280774","display_name":"Brigham and Women's Hospital","ror":"https://ror.org/04b6nzv94","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I121934306","https://openalex.org/I1283280774","https://openalex.org/I48633490"]},{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"A.K. Styer","raw_affiliation_strings":["Department of Obstetrics and Gynecology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA","institution_ids":["https://openalex.org/I1283280774","https://openalex.org/I136199984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109202159","display_name":"Katharine V. Jackson","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1283280774","display_name":"Brigham and Women's Hospital","ror":"https://ror.org/04b6nzv94","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I121934306","https://openalex.org/I1283280774","https://openalex.org/I48633490"]},{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"K.V. Jackson","raw_affiliation_strings":["Department of Obstetrics and Gynecology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA","institution_ids":["https://openalex.org/I1283280774","https://openalex.org/I136199984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111866930","display_name":"Mark D. Hornstein","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1283280774","display_name":"Brigham and Women's Hospital","ror":"https://ror.org/04b6nzv94","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I121934306","https://openalex.org/I1283280774","https://openalex.org/I48633490"]},{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"M.D. Hornstein","raw_affiliation_strings":["Department of Obstetrics and Gynecology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA","institution_ids":["https://openalex.org/I1283280774","https://openalex.org/I136199984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040907031","display_name":"Catherine Racowsky","orcid":"https://orcid.org/0000-0002-8961-7896","observed_orcids":["https://orcid.org/0000-0002-8961-7896"]},"institutions":[{"id":"https://openalex.org/I1283280774","display_name":"Brigham and Women's Hospital","ror":"https://ror.org/04b6nzv94","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I121934306","https://openalex.org/I1283280774","https://openalex.org/I48633490"]},{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"C. Racowsky","raw_affiliation_strings":["Department of Obstetrics and Gynecology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA","institution_ids":["https://openalex.org/I1283280774","https://openalex.org/I136199984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072243585","display_name":"Elizabeth Sarah Ginsburg","orcid":"https://orcid.org/0000-0002-5206-1724","observed_orcids":["https://orcid.org/0000-0002-5206-1724"]},"institutions":[{"id":"https://openalex.org/I1283280774","display_name":"Brigham and Women's Hospital","ror":"https://ror.org/04b6nzv94","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I121934306","https://openalex.org/I1283280774","https://openalex.org/I48633490"]},{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"E.S. Ginsburg","raw_affiliation_strings":["Department of Obstetrics and Gynecology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA","institution_ids":["https://openalex.org/I1283280774","https://openalex.org/I136199984"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5032232322","display_name":"A.R. Gargiulo","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1283280774","display_name":"Brigham and Women's Hospital","ror":"https://ror.org/04b6nzv94","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I121934306","https://openalex.org/I1283280774","https://openalex.org/I48633490"]},{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"A.R. Gargiulo","raw_affiliation_strings":["Department of Obstetrics and Gynecology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA","institution_ids":["https://openalex.org/I1283280774","https://openalex.org/I136199984"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5032232322"],"corresponding_institution_ids":["https://openalex.org/I1283280774","https://openalex.org/I136199984"],"apc_list":{"value":4480,"currency":"USD","value_usd":4480},"apc_paid":null,"fwci":0.7016,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.7689942,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":96},"biblio":{"volume":"89","issue":"2","first_page":"133","last_page":"137"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11156","display_name":"Reproductive Health and Technologies","score":0.4424000084400177,"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":0.4424000084400177,"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/T10364","display_name":"Reproductive Biology and Fertility","score":0.37400001287460327,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational 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/T11732","display_name":"Assisted Reproductive Technology and Twin Pregnancy","score":0.11349999904632568,"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/in-vitro-fertilization","display_name":"in vitro fertilization","score":0.9639999866485596},{"id":"https://openalex.org/keywords/human-chorionic-gonadotropin","display_name":"human chorionic gonadotropin","score":0.7990000247955322},{"id":"https://openalex.org/keywords/live-birth-rate","display_name":"live birth rate","score":0.7590000033378601},{"id":"https://openalex.org/keywords/miscarriage","display_name":"miscarriage","score":0.9769999980926514},{"id":"https://openalex.org/keywords/gonadotropin-dose-reduction","display_name":"gonadotropin dose reduction","score":0.9210000038146973},{"id":"https://openalex.org/keywords/controlled-ovarian-stimulation","display_name":"controlled ovarian stimulation","score":0.9850000143051147},{"id":"https://openalex.org/keywords/oocyte-retrieval","display_name":"oocyte retrieval","score":0.652999997138977},{"id":"https://openalex.org/keywords/coasting","display_name":"coasting","score":0.6119999885559082}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.7567499876022339},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.7149918079376221},{"id":"https://openalex.org/C2778782382","wikidata":"https://www.wikidata.org/wiki/Q409770","display_name":"Gonadotropin","level":3,"score":0.6669294834136963},{"id":"https://openalex.org/C512716672","wikidata":"https://www.wikidata.org/wiki/Q200117","display_name":"In vitro fertilisation","level":3,"score":0.6612652540206909},{"id":"https://openalex.org/C2775948956","wikidata":"https://www.wikidata.org/wiki/Q407172","display_name":"Human chorionic gonadotropin","level":3,"score":0.6513873338699341},{"id":"https://openalex.org/C2778279030","wikidata":"https://www.wikidata.org/wiki/Q1543380","display_name":"Live birth","level":3,"score":0.535802960395813},{"id":"https://openalex.org/C2778478619","wikidata":"https://www.wikidata.org/wiki/Q7113249","display_name":"Controlled ovarian hyperstimulation","level":4,"score":0.5222740173339844},{"id":"https://openalex.org/C2776537878","wikidata":"https://www.wikidata.org/wiki/Q7239894","display_name":"Pregnancy rate","level":3,"score":0.4408648610115051},{"id":"https://openalex.org/C2776363309","wikidata":"https://www.wikidata.org/wiki/Q3606696","display_name":"Gonadotropin-releasing hormone agonist","level":5,"score":0.43363478779792786},{"id":"https://openalex.org/C16685009","wikidata":"https://www.wikidata.org/wiki/Q335057","display_name":"Andrology","level":1,"score":0.4053972363471985},{"id":"https://openalex.org/C134018914","wikidata":"https://www.wikidata.org/wiki/Q162606","display_name":"Endocrinology","level":1,"score":0.40012475848197937},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.36645448207855225},{"id":"https://openalex.org/C71315377","wikidata":"https://www.wikidata.org/wiki/Q11364","display_name":"Hormone","level":2,"score":0.1974201202392578},{"id":"https://openalex.org/C2778894405","wikidata":"https://www.wikidata.org/wiki/Q318896","display_name":"Gonadotropin-releasing hormone","level":4,"score":0.18661797046661377},{"id":"https://openalex.org/C2778575703","wikidata":"https://www.wikidata.org/wiki/Q50265477","display_name":"Luteinizing hormone","level":3,"score":0.14665144681930542},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.14274096488952637},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004305","descriptor_name":"Dose-Response Relationship, Drug","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004958","descriptor_name":"Estradiol","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":true},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005300","descriptor_name":"Fertility Agents, Female","qualifier_ui":"Q000627","qualifier_name":"therapeutic use","is_major_topic":false},{"descriptor_ui":"D005307","descriptor_name":"Fertilization in Vitro","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D006065","descriptor_name":"Gonadotropins, Pituitary","qualifier_ui":"Q000008","qualifier_name":"administration & dosage","is_major_topic":true},{"descriptor_ui":"D006801","descriptor_name":"Humans","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":"D011256","descriptor_name":"Pregnancy Outcome","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D012189","descriptor_name":"Retrospective 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":"D016729","descriptor_name":"Leuprolide","qualifier_ui":"Q000627","qualifier_name":"therapeutic use","is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1016/j.ijgo.2005.02.005","doi":"https://doi.org/10.1016/j.ijgo.2005.02.005","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.ijgo.2005.02.005","pdf_url":null,"source":{"id":"https://openalex.org/S4210216427","display_name":"International Journal of Gynecology & Obstetrics","issn_l":"0020-6695","issn":["0020-6695","0020-7292","1879-3479"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-70","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Gynecology &amp; Obstetrics","raw_type":"journal-article"},{"id":"pmid:15847876","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/15847876","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":"International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.9537000060081482,"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":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W10362747","https://openalex.org/W90495602","https://openalex.org/W1574751905","https://openalex.org/W1974670484","https://openalex.org/W2101976665","https://openalex.org/W2151821992","https://openalex.org/W2415361325","https://openalex.org/W2417864837"],"related_works":["https://openalex.org/W2051574810","https://openalex.org/W2159477384","https://openalex.org/W4283743150","https://openalex.org/W7098268089","https://openalex.org/W1986418677","https://openalex.org/W2128332611","https://openalex.org/W7213473336","https://openalex.org/W2141860901","https://openalex.org/W2112235204","https://openalex.org/W4225713893"],"abstract_inverted_index":{"OBJECTIVE:":[0],"To":[1],"study":[2,99,119,148],"the":[3,84,101,117,196],"effect":[4],"of":[5,66,80,100,110,198],"an":[6],"unpredictable":[7,113],"drop":[8,56,201],"in":[9,19,20,47,57,78,93,116,157,164,202,223],"serum":[10,58,203],"estradiol":[11,59,204],"prior":[12,214],"to":[13,33,123,215],"hCG":[14,216],"administration":[15],"on":[16],"pregnancy":[17,107,137,161,228],"outcomes":[18],"vitro":[21],"fertilization":[22],"cycles.":[23],"METHODS:":[24],"3653":[25],"consecutive":[26],"IVF":[27,213],"cycles":[28,46,87,120,165,180],"from":[29],"January":[30],"1,":[31],"1998":[32],"December":[34],"31,":[35],"2000":[36],"at":[37,75],"Brigham":[38],"and":[39,44,106,136,149,160,174,179,189],"Women's":[40],"Hospital":[41],"were":[42,68,121,144,154],"reviewed,":[43],"65":[45,118,124],"which":[48],"oocyte":[49],"retrieval":[50],"(ER)":[51],"was":[52,73],"performed":[53],"following":[54],"a":[55,91,200,221],"(E(2))":[60],"not":[61,89,218],"associated":[62,219],"with":[63,112,220],"intentional":[64],"withdrawal":[65],"gonadotropins":[67],"identified.":[69],"Daily":[70],"gonadotropin":[71,94,167,182],"dose":[72,168,183],"decreased":[74],"some":[76],"time":[77],"25":[79],"these":[81],"cycles,":[82],"while":[83],"remaining":[85],"40":[86],"did":[88],"have":[90],"reduction":[92,169,184],"dose.":[95],"A":[96],"retrospective":[97],"case-control":[98],"respective":[102],"live":[103,158,224],"birth":[104,130,159,225],"rates":[105,109,131,139,163,226],"loss":[108,138,162,229],"patients":[111],"E(2)":[114],"drops":[115],"compared":[122],"age":[125],"matched":[126],"controls.":[127],"RESULTS:":[128],"Live":[129],"(32%":[132],"vs.":[133,141,171,176,186,191],"35%,":[134],"p=0.72)":[135],"(28%":[140,185],"30%,":[142,187],"p=0.76)":[143],"similar":[145],"for":[146,212],"all":[147],"control":[150],"groups":[151],"respectively.":[152],"There":[153],"no":[155],"differences":[156],"undergoing":[166],"(40%":[170],"44%,":[172],"p=0.78":[173],"29%":[175],"39%,":[177],"p=0.70)":[178],"without":[181],"p=0.81":[188],"27%":[190],"20%,":[192],"p=0.72).":[193],"CONCLUSIONS:":[194],"In":[195],"absence":[197],"coasting,":[199],"levels":[205],"during":[206],"GnRH-agonist":[207],"downregulated":[208],"controlled":[209],"ovarian":[210],"hyperstimulation":[211],"is":[217],"decrease":[222],"or":[227],"rates.":[230]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}
