Does triggering ovulation boost IVF success? new study investigates
NCT ID NCT03428165
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at 103 women undergoing frozen embryo transfer to see if letting them ovulate naturally or using a hormone shot (HCG) to trigger ovulation leads to more pregnancies. The main goal was to compare pregnancy rates between the two groups. Results help doctors choose the best approach for fertility treatment.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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103 people
The number who actually took part.
- Started
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Mar 2018
- Finished
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Feb 2022
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 40 years
- Sex
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Female participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * The patient must have given their free and informed consent and signed the consent form * The patient must be a member or beneficiary of a health insurance plan * The patient is aged between 18 and 40 * Patient has regular cycles and classified as 'easy' for transfer of a frozen embryo at blastocyste stage (vitrification day 5) Exclusion Criteria: * The subject is participating in an interventional study, or is in a period of exclusion determined by a previous study * The subject refuses to sign the consent * It is impossible to give the subject informed information * The patient is under safeguard of justice or state guardianship * Patient using donated oocytes * Necessity of pre-implantation diagnosis * Patients with stage 3 or 4 endometriosis or adenomyosis
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Genom att skicka in godkänner du våra Användarvillkor
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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CHU Arnaud de Villeneuve
Montpellier, 34295, France
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CHU Nimes
Nîmes, 30029, France
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Other studies related to the condition(s) this trial covers.
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