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Can follicle size predict IVF success? new study investigates

NCT ID NCT07331493

Knowledge-focused Sponsor: Assiut University Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at how the size and number of ovarian follicles (fluid-filled sacs containing eggs) on the day of the trigger shot affect how many eggs are retrieved during an IVF cycle. Researchers will measure follicles using ultrasound in 60 women aged 18-35 undergoing ICSI. The goal is to find a minimum follicle size that predicts successful egg retrieval, which could help doctors time the procedure better.

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.

Participants

About 60 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Apr 2026

An estimate. Start dates often move.

Expected to finish

Dec 2030

An estimate. End dates often move.

Lead sponsor

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.

Who is studied

Female participants aged 18 to 35 years undergoing ICSI

Ages

18 to 35 years

Sex

Female participants only

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * women aged 18 to 35 years undergoing ICSI. * at least four follicles above 15 mm in diameter on the day of trigger * Downregulation using either GNRH antagonist or agonist protocol * Provision of written ,informed consent * BMI 18 to 35 kg per meter square Exclusion Criteria: * anticipated poor responder, according to Bologna criteria * cycle canceled prior to retrieval or without trigger administration * Oocyte cryoperservation cycles or natural IVF cycles * presence of ovarian pathology affecting the follicular assessment (endometriosis,cysts )

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Conditions

The condition(s) this trial relates to.

female infertility

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Female infertility Follicular size and oocyte retrieval in icsi cycle

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Assiut University

    Asyut, Asyut Governorate, 71511, Egypt

More trials for these conditions

Other studies related to the condition(s) this trial covers.