Male genitourinary abnormalities and maternal diethylstilbestrol

Area of Science:

• Endocrinology
• Reproductive Health
• Toxicology

Background:

• Diethylstilbestrol (DES) is a synthetic estrogen with known risks, including vaginal cancer in females exposed in utero.
• Concerns exist regarding potential long-term health effects in males exposed prenatally to DES.

Purpose of the Study:

• To investigate the health outcomes of male subjects exposed in utero to maternally ingested diethylstilbestrol (DES).
• To compare the incidence of specific health issues between DES-exposed males and a matched control group.

Main Methods:

• A pilot study involving a questionnaire distributed to 306 male subjects exposed to DES in utero and 231 age- and sex-matched controls.
• Physical examinations were conducted on a subset of respondents to confirm reported abnormalities.

Main Results:

• No increased history of cancer, heart disease, or asthma was found in the DES-exposed group.
• A higher incidence of reported urinary tract symptoms and genital abnormalities was observed in males exposed to DES in utero.
• Physical examinations confirmed the presence of these abnormalities in some exposed individuals.

Conclusions:

• Maternal ingestion of DES during pregnancy may lead to genitourinary abnormalities in male offspring.
• Further extensive clinical studies are warranted to fully assess the long-term health risks for men exposed to DES in utero.