Efficacy of the delayed start antagonist protocol for controlled ovarian stimulation in Bologna poor ovarian responders: a systematic review and meta-analysis
Sign Up to like & getrecommendations! Published in 2020 at "Archives of Gynecology and Obstetrics"
DOI: 10.1007/s00404-020-05894-8
Abstract: Patients with a poor ovarian response (POR) represent the most difficult group of population to deal with in the clinical fertility practice. Bologna criteria are the first uniform definition of POR. Choosing a suitable controlled… read more here.
Keywords: antagonist protocol; del con; protocol; start antagonist ... See more keywords
Progestin primed ovarian stimulation yields comparable outcomes to the GnRH antagonist protocol for controlled ovarian hyperstimulation
Sign Up to like & getrecommendations! Published in 2025 at "Scientific Reports"
DOI: 10.1038/s41598-025-24192-4
Abstract: To prevent the occurrence of a luteinizing hormone surge during assisted reproductive technology cycles, clinicians commonly utilize gonadotropin-releasing hormone (GnRH) analogues or progestin. However, there is a paucity of data directly comparing the reliability and… read more here.
Keywords: protocol; stimulation; gnrh antagonist; ovarian stimulation ... See more keywords
Flexible progestin-primed ovarian stimulation versus a GnRH antagonist protocol in predicted suboptimal responders undergoing freeze-all cycles: a randomized non-inferiority trial.
Sign Up to like & getrecommendations! Published in 2024 at "Human reproduction"
DOI: 10.1093/humrep/deae286
Abstract: STUDY QUESTION Are live birth rates (LBRs) per woman following flexible progestin-primed ovarian stimulation (fPPOS) treatment non-inferior to LBRs per woman following the conventional GnRH-antagonist protocol in expected suboptimal responders undergoing freeze-all cycles in assisted… read more here.
Keywords: protocol; trial; non inferiority; gnrh antagonist ... See more keywords
Effect of hCG day’s estradiol levels on pregnancy outcomes following GnRH antagonist protocol: a retrospective study of 3192 fresh embryo transfer cycles
Sign Up to like & getrecommendations! Published in 2025 at "BMC Pregnancy and Childbirth"
DOI: 10.1186/s12884-025-07929-x
Abstract: To evaluate the impact of estradiol levels of hCG day (E2-hCG) on pregnancy outcomes in fresh embryo transfer (ET) cycles following antagonist protocol. The retrospective study includes 3192 fresh ET cycles under antagonist protocol at… read more here.
Keywords: pregnancy outcomes; hcg; hcg 4000; pregnancy ... See more keywords
Clinical outcomes following GnRH antagonist protocol change to PPOS protocol versus GnRH antagonist protocol in patients with pre-elevated progesterone: a propensity score matching study.
Sign Up to like & getrecommendations! Published in 2025 at "Journal of ovarian research"
DOI: 10.1186/s13048-025-01891-0
Abstract: To investigate the impact of changing to the PPOS protocol in the population with a premature progesterone increase (≥ 0.9 ng/mL) from the antagonist protocol on the clinical outcomes. The study was a retrospective cohort, propensity… read more here.
Keywords: protocol; gnrh antagonist; antagonist protocol; ppos protocol ... See more keywords
Cumulative Live Birth Rates After the First ART Cycle Using Flexible GnRH Antagonist Protocol vs. Standard Long GnRH Agonist Protocol: A Retrospective Cohort Study in Women of Different Ages and Various Ovarian Reserve
Sign Up to like & getrecommendations! Published in 2020 at "Frontiers in Endocrinology"
DOI: 10.3389/fendo.2020.00287
Abstract: Objective: To compare the cumulative live birth rates (cLBRs) after the first assisted reproductive technology (ART) cycle using flexible gonadotropin releasing hormone (GnRH)-antagonist protocol vs. standard long GnRH agonist protocol for controlled ovarian stimulation (COS)… read more here.
Keywords: protocol; antagonist protocol; gnrh antagonist; agonist protocol ... See more keywords
Luteinizing hormone-based modified GnRH antagonist protocol in normal responders undergoing in vitro fertilization treatment: A multi-center randomized controlled trial
Sign Up to like & getrecommendations! Published in 2022 at "Frontiers in Endocrinology"
DOI: 10.3389/fendo.2022.922950
Abstract: Objective To study the clinical efficacy and cost-effectiveness of a modified gonadotrophin-releasing hormone (GnRH) antagonist protocol based on luteinizing hormone (LH) levels through one complete assisted reproductive technology (ART) cycle in normal responders. Design Non-inferiority,… read more here.
Keywords: antagonist protocol; hormone; rate; pregnancy ... See more keywords
A retrospective, matched case-control study of recombinant LH versus hMG supplementation on FSH during controlled ovarian hyperstimulation in the GnRH-antagonist protocol
Sign Up to like & getrecommendations! Published in 2022 at "Frontiers in Endocrinology"
DOI: 10.3389/fendo.2022.931756
Abstract: Background The role of luteinizing hormone (LH) in controlled ovarian hyperstimulation (COH) requires more evidence for its efficacy. Several studies compared recombinant human LH (r-hLH) or human menopausal gonadotropin (hMG) in combination with recombinant human… read more here.
Keywords: hlh; antagonist protocol; ovarian hyperstimulation; hmg ... See more keywords
Validating the Use of Corifollitropin Alfa in Progestin-Primed Ovarian Stimulation Protocol on Normal and High Responders by Comparing with Conventional Antagonist Protocol: A Retrospective Study
Sign Up to like & getrecommendations! Published in 2020 at "Life"
DOI: 10.3390/life10060090
Abstract: Our previous study showed a satisfactory reproductive outcome resulting from the patient-friendly ovarian stimulation protocol using long-acting follicle stimulation hormone (FSH) plus oral medroxyprogesterone acetate (MPA). The present retrospective study aims to compare the efficacy… read more here.
Keywords: stimulation; study; protocol; ovarian stimulation ... See more keywords
Relationship Between Estradiol Levels Measured on the Initiation Day of GnRH Antagonist Treatment and Pregnancy Outcomes in Patients Receiving the Antagonist Protocol
Sign Up to like & getrecommendations! Published in 2025 at "Medicina"
DOI: 10.3390/medicina61040741
Abstract: Background and Objectives: The aim of this study is to evaluate the relationship between serum estradiol (E2) levels measured on the day of antagonist administration and live birth rates (LBRs) in women undergoing IVF-ET with… read more here.
Keywords: antagonist; serum; levels measured; antagonist protocol ... See more keywords
Comparison of the standard GnRH antagonist protocol and the luteal phase estradiol/GnRH antagonist priming protocol in poor ovarian responders.
Sign Up to like & getrecommendations! Published in 2017 at "Turkish journal of medical sciences"
DOI: 10.3906/sag-1602-111
Abstract: BACKGROUND/AIM The aim of the study was to compare the luteal estradiol patch/GnRH antagonists priming protocol (LPP) with the standard GnRH antagonist protocol in poor ovarian responders (PORs) in terms of the outcomes of in… read more here.
Keywords: antagonist protocol; gnrh antagonist; standard gnrh;