
一項近2.7萬人的研究發現,穿著緊身內褲的男性精液品質多項指標較差,但目前尚無明確證據證明內褲款式會影響實際受孕結果。
一項納入近2.7萬名男性的研究發現,穿著緊身內褲者的精液品質多項指標較差,精子DNA碎片比例也較高。不過,研究尚無法證明內褲款式會造成不孕或影響實際受孕結果。
AI-generated summary
一項納入近2.7萬名男性的新研究探討了男性內褲款式與精液品質之間的關聯。
男性內褲穿太緊,真的會影響生育能力嗎?一項納入近2.7萬名男性的新研究發現,穿著緊身內褲者的精液品質多項指標較差,精子DNA碎片比例也較高。不過,研究尚不能證明內褲款式會造成不孕,更無法確認換穿寬鬆四角褲就能提高懷孕機率。
據《紐約郵報》8日報導,這項研究由中國科學技術大學團隊進行,10月27日刊登於《亞洲男性學期刊》(Asian Journal of Andrology)。研究納入2萬6836名接受生育能力評估的男性,其中2萬1221人習慣穿寬鬆內褲,5615人穿緊身款式,並比較兩組的精液檢查結果。
研究調整其他健康因素後發現,緊身內褲組精液量較低、精子活動力及正常形態比例較差,精子DNA碎片指數偏高的勝算則約為寬鬆內褲組的2.08倍。研究另發現,緊身內褲組勃起功能障礙及早洩的比例也較高,但這部分仍屬初步觀察,不能據此認定穿緊身內褲會造成性功能障礙。
陰囊升溫恐影響造精 但尚無證據證實影響受孕
研究團隊推測,緊身內褲可能提高陰囊溫度,進而影響精子生成。不過,這項研究採橫斷面設計,內褲穿著習慣也是受試者自行回報,無法確認先後因果;而且研究對象本來就是尋求生育評估的男性,結果不能直接套用到所有男性。
這也不是內褲與生育能力的首次研究。2018年一項刊登於《人類生殖》(Human Reproduction)的哈佛研究,分析656名接受不孕評估男性的資料,發現習慣穿四角褲者的精子濃度及總數較高,但同樣無法證明內褲款式是造成差異的原因。
2026年5月刊登於《轉譯男性學與泌尿學》(Translational Andrology and Urology)的文獻回顧則指出,過去研究對精液品質的結果並不一致,現有資料也未顯示內褲款式與實際懷孕結果有明確關聯。換句話說,寬鬆內褲或許有助減少陰囊受熱,但目前沒有足夠證據證明只靠換內褲就能改善生育能力。

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