ArticleInternational journal of reproductive biomedicine2018
Pregnancy outcome in delayed start antagonist versus microdose flare GnRH agonist protocol in poor responders undergoing IVF/ICSI: An RCT.
Article in International journal of reproductive biomedicine, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers, 3 of them syntheses that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
8 citing papers in PubMed, 3 syntheses or guidelines pooled it.
- Optimal selection of ovarian stimulation protocol for infertile women with diminished ovarian reserve based on Bologna and POSEIDON criteria: a network meta-analysis.Reproductive biology and endocrinology : RB&E · 2026Pooled it
- Controlled ovarian stimulation protocols for assisted reproduction: a network meta-analysis.The Cochrane database of systematic reviews · 2025Pooled it
- Efficacy of the delayed start antagonist protocol for controlled ovarian stimulation in Bologna poor ovarian responders: a systematic review and meta-analysis.Archives of gynecology and obstetrics · 2021Pooled it
- Does the "delayed start" protocol with gonadotropin-releasing hormone antagonist improve the pregnancy outcome in Bologna poor responders? a randomized clinical trial.Reproductive biology and endocrinology : RB&E · 2018Trial
- Recommendations for the management of GnRH-ant for ovarian stimulation in the assistant reproductive process: Benefits and harms for different ovarian response population.Clinical and public health guidelines · 2025Article
- Ovarian stimulation protocols for poor ovarian responders: a network meta-analysis of randomized controlled trials.Archives of gynecology and obstetrics · 2023Article
- Fresh and cumulative live birth rates in mild versus conventional stimulation for IVF cycles in poor ovarian responders: a systematic review and meta-analysis.Human reproduction open · 2021Article
- The Conundrum of Poor Ovarian Response: From Diagnosis to Treatment.Diagnostics (Basel, Switzerland) · 2020Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundOver the years, many article on different aspects of pathogenesis and management of poor ovarian responders have been published but there is no clear guideline for treating themyet.
objectiveThis study was designated to compare the effectiveness of a delayed start protocol with gonadotropin-releasing hormone (GnRH) antagonist and microdose flare-up GnRH agonist protocol in poor ovarian responders. MATERIALS AND
methodsThis randomized clinical trial consisted of 100 poor ovarian responder women in assisted reproductive technologies cycles. They were divided randomly in delayed-start antagonist protocol (with estrogen priming followed by early follicular-phase GnRH antagonist treatment for 7 days before ovarian stimulation) and microdose flare-up GnRH agonist protocol. The main outcome was clinical pregnancy rate and second outcome was the number of retrieved oocytes, mature oocytes, 2PN number, fertilization rate, and implantation rate.
resultsFertilization rate, clinical pregnancy rate, and ongoing pregnancy rates were not significantly different between the two studied protocols. Number of retrieved oocytes (5.10±3.41 vs. 3.08±2.51) with p=0.002, mature oocytes (4.32±2.69 vs. 2.34±1.80) with p=0.003, number of 2PN (3.94±1.80 vs. 2.20±1.01) with p=0.001 and implantation rate (19.40% vs. 10.30%) with p=0.022 were significantly higher in delayed antagonist group.
conclusionThe delayed-start protocol can improve ovarian response in poor responders by stimulating and synchronizing follicle development.
Indexed as
Identifiers
29942933PMC6004594What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.