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Characterization of semen and oral microbiota in men with proven paternity compared to infertility patients

Characterization of semen and oral microbiota in men with proven paternity compared to infertility patients

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2200064538
Enrollment
Unknown
Registered
2022-10-11
Start date
2022-11-01
Completion date
Unknown
Last updated
2023-05-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Subfertility

Interventions

None listed

Sponsors

The Chinese University of Hong Kong
Lead Sponsor

Eligibility

Sex/Gender
Male
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Above the age of 18 years; 2. With a history of fathering a child thought natural pregnancy within six months prior recruitment; 3. Agreed to join and signed the consent form.

Exclusion criteria

Exclusion criteria: 1. History of epididymitis, orchitis, prostatitis, recurrent urinary tract infections (UTIs), mumps orchitis; 2. Antibiotics use within six months; 3. Use of nasally-delivered live, attenuated, cold-adapted influenza vaccine within the last 28 days.

Design outcomes

Primary

MeasureTime frame
Semen and oral microbiome structure;Semen and oral microbiome diversity;—

Secondary

MeasureTime frame
MAGs pathways;—

Countries

China

Contacts

Public ContactCHAN YIU LEUNG DAVID

Department of Obstetrics & Gynaecology, The Chinese University of Hong Kong

drdcyl16@cuhk.edu.hk+852 35051764

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026