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Updated: Jun 2, 2026

Long-term Behavioral and Reproductive Consequences of Embryonic Exposure to Low-dose Toxicants
Published on: March 6, 2018
Hormone dust exposure a reversible cause of precocious pseudopuberty in siblings
Hari Anupama1, Radhika Pooli, Rakesh Sahay
1Department of Obstetrics and Gynaecology, Gandhi Medical College, Secunderabad, Hyderabad, India. hradhakrishna2020@rediffmail.com
Insights
Environmental exposure to hormonal dust caused precocious puberty in a young girl. Her pubertal changes reversed after removing the exposure source, highlighting the impact of external endocrine disruptors.
Area of Science:
- Pediatrics
- Endocrinology
- Environmental Health
Background:
- Precocious puberty is defined as the early onset of pubertal signs and symptoms.
- Causes can be central, peripheral, or constitutional, requiring thorough investigation.
- Familial gynecomastia suggests a potential genetic or environmental endocrine-disrupting influence.
Observation:
- A 7-year-old female presented with vaginal bleeding and bilateral breast development.
- Physical examination revealed prepubertal external genitalia and normal anthropometrics.
- Her father and younger brother also exhibited gynecomastia.
Findings:
- Investigations for structural causes of precocious puberty were negative.
- Occupational exposure of the father to hormonal dust was identified as the etiology.
- The child's pubertal changes resolved after implementing precautions.
Implications:
- Environmental endocrine disruptors can induce precocious puberty in children.
- Identifying and mitigating environmental exposures is crucial for managing endocrine disorders.
- This case underscores the importance of a comprehensive family and environmental history in pediatric endocrinology.
Abstract:
A seven year old female child presented with two episodes of vaginal bleeding and bilateral breast development. Examination showed normal anthropometric measurements and external genitalia of prepubertal type. Her 5-year old younger brother and her father had gynaecomastia. Search for a structural cause for precocious puberty was negative. Occupational exposure of her father to hormonal dust was identified as the cause. All pubertal changes reverted to normal after observing suitable precautions.
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