{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,23]],"date-time":"2026-08-23T16:42:32Z","timestamp":1787503352942,"version":"build-2736575974"},"reference-count":31,"publisher":"Elsevier BV","issue":"6","license":[{"start":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T00:00:00Z","timestamp":1780272000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T00:00:00Z","timestamp":1780272000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","fertstert.org","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Fertility and Sterility"],"published-print":{"date-parts":[[2026,6]]},"DOI":"10.1016\/j.fertnstert.2026.03.020","type":"journal-article","created":{"date-parts":[[2026,3,17]],"date-time":"2026-03-17T16:32:07Z","timestamp":1773765127000},"page":"1056-1066","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":2,"title":["Intrapatient variability in the number of retrieved oocytes and ovarian response categories between consecutive in vitro fertilization cycles"],"prefix":"10.1016","volume":"125","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7387-409X","authenticated-orcid":false,"given":"Alyssa","family":"Hochberg","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shachar","family":"Reuvenny","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nevo","family":"Itzhak","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Almog","family":"Luz","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rohi","family":"Hourvitz","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eden","family":"Moran","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nikolaos P.","family":"Polyzos","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eduardo","family":"Hariton","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wenjing","family":"Zheng","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas","family":"D\u2019Hooghe","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ettie","family":"Maman","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Micha","family":"Baum","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michal","family":"Youngster","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ariel","family":"Hourvitz","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.fertnstert.2026.03.020_bib1","doi-asserted-by":"crossref","DOI":"10.1038\/s41598-020-72597-0","article-title":"There is a cycle to cycle variation in ovarian response and pre-hCG serum progesterone level: an analysis of 244 consecutive IVF cycles","volume":"10","author":"Yildiz","year":"2020","journal-title":"Sci Rep"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib2","doi-asserted-by":"crossref","first-page":"884","DOI":"10.1016\/j.fertnstert.2015.06.027","article-title":"Intercycle variability of the ovarian response in patients undergoing repeated stimulation with corifollitropin alfa in a gonadotropin-releasing hormone antagonist protocol","volume":"104","author":"Rombauts","year":"2015","journal-title":"Fertil Steril"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib3","doi-asserted-by":"crossref","first-page":"399","DOI":"10.1016\/j.fertnstert.2013.10.049","article-title":"Change in oocyte yield in repeated in vitro fertilization cycles: effect of ovarian reserve","volume":"101","author":"Eppsteiner","year":"2014","journal-title":"Fertil Steril"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib4","doi-asserted-by":"crossref","first-page":"562","DOI":"10.1016\/S1472-6483(10)61164-9","article-title":"Factors influencing response to ovarian stimulation","volume":"11","author":"Keck","year":"2005","journal-title":"Reprod Biomed Online"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib5","doi-asserted-by":"crossref","first-page":"865","DOI":"10.1007\/s10815-024-03386-1","article-title":"Predicting factors of ovarian responses in infertile women with polycystic ovary syndrome undergoing IVF\/ICSI","volume":"42","author":"Wang","year":"2025","journal-title":"J Assist Reprod Genet"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib6","doi-asserted-by":"crossref","first-page":"41","DOI":"10.1186\/s12958-015-0037-9","article-title":"Reproducibility and clinical significance of pre-ovulatory serum progesterone level and progesterone\/estradiol ratio on the day of human chorionic gonadotropin administration in infertile women undergoing repeated in vitro fertilization cycles","volume":"13","author":"Lin","year":"2015","journal-title":"Reprod Biol Endocrinol"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib7","doi-asserted-by":"crossref","first-page":"1479","DOI":"10.1007\/s10815-023-02792-1","article-title":"Clinical and laboratory key performance indicators in IVF: a consensus between the Italian Society of Fertility and Sterility and Reproductive Medicine (SIFES-MR) and the Italian Society of Embryology, Reproduction and Research (SIERR)","volume":"40","author":"Vaiarelli","year":"2023","journal-title":"J Assist Reprod Genet"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib8","doi-asserted-by":"crossref","first-page":"112","DOI":"10.1186\/1477-7827-9-112","article-title":"Ovarian sensitivity index is strongly related to circulating AMH and may be used to predict ovarian response to exogenous gonadotropins in IVF","volume":"9","author":"Biasoni","year":"2011","journal-title":"Reprod Biol Endocrinol"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib9","doi-asserted-by":"crossref","first-page":"657","DOI":"10.1007\/s10815-012-9761-7","article-title":"Frequent polymorphisms of FSH receptor do not influence antral follicle responsiveness to follicle-stimulating hormone administration as assessed by the Follicular Output RaTe (FORT)","volume":"29","author":"Genro","year":"2012","journal-title":"J Assist Reprod Genet"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib10","doi-asserted-by":"crossref","first-page":"246","DOI":"10.3389\/fendo.2019.00246","article-title":"Understanding follicular output rate (FORT) and its implications for POSEIDON criteria","volume":"10","author":"Grynberg","year":"2019","journal-title":"Front Endocrinol (Lausanne)"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib11","doi-asserted-by":"crossref","first-page":"66","DOI":"10.1186\/s12958-023-01118-1","article-title":"Risk factors for low oocyte retrieval in patients with polycystic ovarian syndrome undergoing in vitro fertilization","volume":"21","author":"Jin","year":"2023","journal-title":"Reprod Biol Endocrinol"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib12","doi-asserted-by":"crossref","first-page":"589","DOI":"10.3389\/fendo.2018.00589","article-title":"Understanding ovarian hypo-response to exogenous gonadotropin in ovarian stimulation and its new proposed marker-the follicle-to-oocyte (FOI) index","volume":"9","author":"Alviggi","year":"2018","journal-title":"Front Endocrinol (Lausanne)"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib13","doi-asserted-by":"crossref","DOI":"10.3389\/fendo.2019.00387","article-title":"Management of women with an unexpected low ovarian response to gonadotropin","volume":"10","author":"Conforti","year":"2019","journal-title":"Front Endocrinol (Lausanne)"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib14","doi-asserted-by":"crossref","first-page":"653","DOI":"10.1016\/j.fertnstert.2024.10.001","article-title":"Expert opinion on refined and extended key performance indicators for individualized ovarian stimulation for assisted reproductive technology","volume":"123","author":"Sunkara","year":"2025","journal-title":"Fertil Steril"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib15","doi-asserted-by":"crossref","DOI":"10.1016\/j.rbmo.2023.103423","article-title":"An artificial intelligence-based approach for selecting the optimal day for triggering in antagonist protocol cycles","volume":"48","author":"Reuvenny","year":"2024","journal-title":"Reprod Biomed Online"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib16","doi-asserted-by":"crossref","DOI":"10.1038\/s41598-024-69165-1","article-title":"Optimizing oocyte yield utilizing a machine learning model for dose and trigger decisions, a multi-center, prospective study","volume":"14","author":"Canon","year":"2024","journal-title":"Sci Rep"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib17","doi-asserted-by":"crossref","first-page":"615","DOI":"10.1210\/clinem\/dgaf539","article-title":"Modelling follicular growth during ovarian stimulation using agent-based artificial intelligence","volume":"111","author":"Hramyka","year":"2026","journal-title":"J Clin Endocrinol Metab"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib18","doi-asserted-by":"crossref","first-page":"296","DOI":"10.1038\/s41467-024-55301-y","article-title":"Explainable artificial intelligence to identify follicles that optimize clinical outcomes during assisted conception","volume":"16","author":"Hanassab","year":"2025","journal-title":"Nat Commun"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib19","doi-asserted-by":"crossref","first-page":"7821","DOI":"10.1038\/s41598-025-92186-3","article-title":"A deep learning approach to understanding controlled ovarian stimulation and in vitro fertilization dynamics","volume":"15","author":"Wang","year":"2025","journal-title":"Sci Rep"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib20","doi-asserted-by":"crossref","first-page":"461","DOI":"10.3389\/fendo.2018.00461","article-title":"Defining low prognosis patients undergoing assisted reproductive technology: POSEIDON criteria-the why","volume":"9","author":"Esteves","year":"2018","journal-title":"Front Endocrinol (Lausanne)"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib21","doi-asserted-by":"crossref","first-page":"2005","DOI":"10.1093\/humrep\/dev149","article-title":"Sub-optimal responders following controlled ovarian stimulation: an overlooked group?","volume":"30","author":"Polyzos","year":"2015","journal-title":"Hum Reprod"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib22","doi-asserted-by":"crossref","DOI":"10.1016\/j.bpobgyn.2022.102301","article-title":"Treatment algorithms for high responders: what we can learn from randomized controlled trials, real-world data and models","volume":"86","author":"Drakopoulos","year":"2023","journal-title":"Best Pract Res Clin Obstet Gynaecol"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib23","doi-asserted-by":"crossref","first-page":"2681","DOI":"10.1007\/s10815-023-02918-5","article-title":"The HERA (Hyper-response Risk Assessment) Delphi consensus for the management of hyper-responders in in vitro fertilization","volume":"40","author":"Feferkorn","year":"2023","journal-title":"J Assist Reprod Genet"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib24","doi-asserted-by":"crossref","DOI":"10.1371\/journal.pone.0296904","article-title":"As good as it gets? A new approach to estimating possible prediction performance","volume":"19","author":"Anderson","year":"2024","journal-title":"PLoS One"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib25","doi-asserted-by":"crossref","first-page":"439","DOI":"10.1016\/S1472-6483(10)62164-5","article-title":"Conception rates following assisted reproduction in poor responder patients: a retrospective study in 300 consecutive cycles","volume":"6","author":"Ulug","year":"2003","journal-title":"Reprod Biomed Online"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib26","doi-asserted-by":"crossref","first-page":"711","DOI":"10.1016\/S0015-0282(16)54604-4","article-title":"The gonadotropin-releasing hormone agonist stimulation test - a sensitive predictor of performance in the flare-up in vitro fertilization cycle","volume":"56","author":"Winslow","year":"1991","journal-title":"Fertil Steril"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib27","doi-asserted-by":"crossref","first-page":"12","DOI":"10.1016\/j.rbmo.2017.09.016","article-title":"Insights from clinical experience in treating IVF poor responders","volume":"36","author":"Gonda","year":"2018","journal-title":"Reprod Biomed Online"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib28","doi-asserted-by":"crossref","first-page":"315","DOI":"10.1093\/humrep\/deu319","article-title":"A retrospective evaluation of prognosis and cost-effectiveness of IVF in poor responders according to the Bologna criteria","volume":"30","author":"Busnelli","year":"2015","journal-title":"Hum Reprod"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib29","doi-asserted-by":"crossref","first-page":"993","DOI":"10.1016\/j.fertnstert.2018.03.019","article-title":"Comparison of pregnancy rates for poor responders using IVF with mild ovarian stimulation versus conventional IVF: a guideline","volume":"109","year":"2018","journal-title":"Fertil Steril"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib30","doi-asserted-by":"crossref","first-page":"757","DOI":"10.1016\/j.fertnstert.2021.04.030","article-title":"Changing stimulation protocol on repeat conventional ovarian stimulation cycles does not lead to improved laboratory outcomes","volume":"116","author":"Wald","year":"2021","journal-title":"Fertil Steril"},{"key":"10.1016\/j.fertnstert.2026.03.020_bib31","doi-asserted-by":"crossref","first-page":"124","DOI":"10.1093\/humupd\/dmt037","article-title":"Individualization of controlled ovarian stimulation in IVF using ovarian reserve markers: from theory to practice","volume":"20","author":"La Marca","year":"2014","journal-title":"Hum Reprod Update"}],"container-title":["Fertility and Sterility"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S001502822600172X?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S001502822600172X?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2026,6,8]],"date-time":"2026-06-08T17:29:25Z","timestamp":1780939765000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S001502822600172X"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,6]]},"references-count":31,"journal-issue":{"issue":"6","published-print":{"date-parts":[[2026,6]]}},"alternative-id":["S001502822600172X"],"URL":"https:\/\/doi.org\/10.1016\/j.fertnstert.2026.03.020","relation":{},"ISSN":["0015-0282"],"issn-type":[{"value":"0015-0282","type":"print"}],"subject":[],"published":{"date-parts":[[2026,6]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Intrapatient variability in the number of retrieved oocytes and ovarian response categories between consecutive in vitro fertilization cycles","name":"articletitle","label":"Article Title"},{"value":"Fertility and Sterility","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.fertnstert.2026.03.020","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a92026 American Society for Reproductive Medicine, Published by Elsevier Inc.","name":"copyright","label":"Copyright"}]}}