Increased Pollution causing Inhibition of Gonadal Development in River Fish

Document Type

Open Educational Resource (OER)

Publication Date

5-5-2026

Abstract

Endocrine-disrupting chemicals (EDCs) such as bisphenol A (BPA), synthetic estrogens from birth control, and agricultural pollutants like atrazine are increasingly present in aquatic environments due to human activity and wastewater discharge. These compounds interfere with natural hormone signaling, which can disrupt normal development in organisms, especially during early life stages. One of the effects of EDC exposure is the development of intersex characteristics in fish, where individuals exhibit both male and female reproductive traits

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