# Effect of Environmental Exposures on the Egg Fertilizing Ability of Human Sperm

> **NCT00012480** · — · COMPLETED · sponsor: **National Institute of Environmental Health Sciences (NIEHS)** · enrollment: 400 (estimated)

## Conditions studied

- Male Infertility
- Testicular Diseases
- Urologic and Male Genital Diseases
- Lead Poisoning

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00012480
- **Lead sponsor:** National Institute of Environmental Health Sciences (NIEHS)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2002-08
- **Primary completion:** 2007-07
- **Final completion:** 2007-07
- **Target enrollment:** 400 (ESTIMATED)
- **Last updated:** 2015-04-15


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00012480

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00012480, "Effect of Environmental Exposures on the Egg Fertilizing Ability of Human Sperm". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT00012480. Licensed CC0.

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