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The correlation between exposure to environmental pollutants and undescended testis in children: A prospective case-control study

Study on the correlation between exposure to environmental pollutants and undescended testis in children

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2400087501
Enrollment
Unknown
Registered
2024-07-29
Start date
2024-08-01
Completion date
Unknown
Last updated
2024-08-05

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

Conditions

cryptorchidism

Interventions

Undescended group:None
Normal Control group:None

Sponsors

Guangzhou Medical University Affiliated Women and Children's Medical Center
Lead Sponsor

Eligibility

Sex/Gender
Male
Age
No minimum to 3 Months

Inclusion criteria

Inclusion criteria: (1) Children who are delivered or treated in our center; (2) Age less than 3 months old; (3) diagnosed as unilateral or bilateral cryptorchidism (undescended testis)

Exclusion criteria

Exclusion criteria: (1) Blurred external genitalia. (2) Children with chromosomal diseases or other syndrome diseases were definitely diagnosed. (3) Failure to collect research samples according to sample requirements. (4) Children who were not followed up within the specified monitoring time range.

Design outcomes

Primary

MeasureTime frame
Environmental pollutant levels;—

Secondary

MeasureTime frame
clinical features;Medical history data;Feeding situation;—

Countries

China

Contacts

Public ContactTianxin Zhao

Guangzhou Medical University Affiliated Women and Children's Medical Center

txzhaos@163.com+86 133 5281 0910

Outcome results

None listed

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