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Microplastics in your body linked to fertility troubles?

NCT ID NCT07562958

Knowledge-focused Sponsor: University of Kragujevac 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study will measure microplastics in semen, follicular fluid, and other samples from 1000 men and women seeking fertility treatment. Researchers will check if higher microplastic levels are linked to lower pregnancy rates and poorer egg or sperm quality. The goal is to better understand how environmental pollutants may harm reproductive health.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this study could provide strong evidence linking microplastic exposure to fertility problems, guiding future public health advice or interventions.
What could go wrong
This is an observational study, not a treatment trial. It can show links but not prove cause and effect. Results may be complex and not lead to immediate changes.

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 1,000 people

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

Expected to start

Sep 2027

An estimate. Start dates often move.

Expected to finish

Oct 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

Adults of reproductive age

Ages

18 to 55 years

Sex

Anyone

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: * Men: 18-55 years and women: 18-45 years (premenopausal). * Residence: ≥ 2 years in the participating region. * Ability to give informed consent and complete questionnaires (diet, lifestyle, occupational exposure). * Willingness to provide required samples: semen, serum, stool for men and for women serum, stool, follicular fluid and endometrial sample. * Availability for study visits and compliance with pre-analytical rules: Abstinence 2-7 days before semen collection and timed sampling in women (e.g., follicular phase or per protocol). * For patient cohort: diagnosed reproductive disorder per site SOPs (e.g., male factor infertility, endometriosis, diminished ovarian reserve). * For control cohort: no known infertility diagnosis; trying to conceive or healthy volunteers. * Necessary for all participants will be possess the ability to understand the information contained in the "informed consent" document. Exclusion Criteria: * Pregnancy or lactation. * Acute febrile illness or active urogenital/reproductive tract infection in the last 4 weeks. * Systemic therapies likely to confound biomarkers within prespecified windows: chemotherapy/radiotherapy (past 12 months), high-dose corticosteroids/immunosuppressants (past 3 months), hormonal stimulation outside scheduled ART cycles per protocol. * Substance abuse (investigator judgment) impeding consent/compliance.

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Conditions

The condition(s) this trial relates to.

infertility disorder

As listed by the trial registrant

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

Fertility Infertility Microplastics exposure

How to take part

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  1. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

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  2. A doctor treating you

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