HomePodcastsScience unscriptedUnderwear & pregnancyScience unscriptedUnderwear & pregnancyNovember 6, 2026 · 30 minPlay episodeShare from this pointShow notesBoxer briefs? Tighty whities? Strings? All seem to influence sperm quality. Also, a study on miscarriages in primates shows they happen more often when raising a small (demanding) child.All episodes of Science unscripted