“When a man has intercourse with his wife through the vagina, but being on her back, the child will have a squint,” so the verse came down, “Your wives are a tilth to you, so come to your tilth however you will” (Al-Qur’an 2:223).
(Bukhari and Muslim.)
Related Quranic Verses 1
Quranic verses referenced in or related to this hadith.