Purpose: Congenital bilateral absence of the vas deferens is a pathologic condition associated with normal spermatogenesis, azoospermia, and lack of both vasa deferentia. A significant association ...

Purpose: Approximately 20% of patients with congenital absence of the vas deferens remain without two mutations identified. We applied a strategy of serial screening steps to 45 patients with ...

Editor’s Note: This article previously appeared in a different format as part of The Atlantic’s Notes section, retired in 2021. This next reader shows a lot of self-awareness and self-reflection over ...

Cystic fibrosis is an illness best known for causing frequent lung infections and chronic breathing problems. However, it affects organs and tissues throughout the body, including the urogenital ...