Sayyiduna Atiyyah (may Allah be pleased with him) said: I was among the captives of Banu Qurayzah, and the Messenger of Allah (peace and blessings be upon him) said: "Whoever has not grown pubic hair, leave him." So they looked and did not find anything on me, and they let me go.
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 14501