Hegseth's Mandatory Testosterone Screening for US Military Raises Fertility Concerns

US Defense Secretary Pete Hegseth has mandated annual testosterone deficiency screening for military personnel aged 30 and older, effective July 15, 2026, integrating it into their routine Periodic Health Assessments. Hegseth stated the initiative aims to enhance military readiness and optimize troops' natural capabilities, describing it as a "Human Performance Optimization" effort to address "Operator Syndrome". Service members under 30 can opt for screening, and any subsequent testosterone replacement therapy (TRT) would be voluntary.

This new policy has elicited warnings from health experts regarding potential fertility risks. Urologists note that TRT can suppress sperm production and lead to infertility, advising caution, especially for younger men interested in future fertility. Medical guidelines typically recommend against broad testosterone testing, suggesting it only for symptomatic individuals with consistently low hormone levels confirmed by multiple tests.

The decision has also drawn criticism from Democratic lawmakers. Concerns were raised about the absence of similar hormone screenings for female service members to address their health or fertility issues, and some legislators linked the policy to Hegseth's previous opposition to transgender military personnel. The Pentagon has not yet clarified if female troops will be included in similar hormone evaluations.