{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["6(3)"],"submitter":["Gao F"],"pubmed_abstract":["<h4>Objective</h4>To study whether luteal phase stimulation provides clinical and embryological outcomes comparable to follicular phase stimulation in controlled ovarian hyperstimulation cycles.<h4>Design</h4>Retrospective cohort study.<h4>Subjects</h4>A total of 12,442 patients undergoing 18,062 in vitro fertilization cycles between January 1, 2018, and December 21, 2021, across 6 assisted reproductive technology centers within a large US fertility network.<h4>Exposure</h4>Patients underwent controlled ovarian hyperstimulation using either follicular phase or luteal phase initiation. Cycles involving fresh transfers, day 3 transfers, or poor endometrial receptivity were excluded.<h4>Main outcome measures</h4>The primary outcomes were clinical pregnancy rates and cumulative live birth rate"],"journal":["F&S reports"],"pagination":["289-298"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12496433"],"repository":["biostudies-literature"],"pubmed_title":["Comparable Clinical and Embryological Outcomes in Luteal and Follicular Phase Controlled Ovarian Hyperstimulation: A Retrospective Cohort Study."],"pmcid":["PMC12496433"],"pubmed_authors":["Baxter K","Mascaros Martinez JM","Garrido N","Gao F","Kort J","Whitehead C","Badamjav O"],"additional_accession":[]},"is_claimable":false,"name":"Comparable Clinical and Embryological Outcomes in Luteal and Follicular Phase Controlled Ovarian Hyperstimulation: A Retrospective Cohort Study.","description":"<h4>Objective</h4>To study whether luteal phase stimulation provides clinical and embryological outcomes comparable to follicular phase stimulation in controlled ovarian hyperstimulation cycles.<h4>Design</h4>Retrospective cohort study.<h4>Subjects</h4>A total of 12,442 patients undergoing 18,062 in vitro fertilization cycles between January 1, 2018, and December 21, 2021, across 6 assisted reproductive technology centers within a large US fertility network.<h4>Exposure</h4>Patients underwent controlled ovarian hyperstimulation using either follicular phase or luteal phase initiation. Cycles involving fresh transfers, day 3 transfers, or poor endometrial receptivity were excluded.<h4>Main outcome measures</h4>The primary outcomes were clinical pregnancy rates and cumulative live birth rate","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Sep","modification":"2026-06-04T03:17:08.073Z","creation":"2026-06-04T03:06:38.324Z"},"accession":"S-EPMC12496433","cross_references":{"pubmed":["41054724"],"doi":["10.1016/j.xfre.2025.06.008"]}}