from the Prophet (SA), regarding: Your wives are a tilth for you, so go to your tilth when or how you will (2:223). : "Meaning one valve."

This Hadith is Hasan Sahih. Ibn Khuthaim is 'Abdullãh bin 'Uthmãn bin . Khuthaim. Ibn Sãbit is 'AbdurRahmãn bin 'Abdullah bin Sabit A1-Jumahi Al-Makki, and Hafsah is the daughter of 'Abdur-Rahmãn bin Abi Bakr As-Siddiq (narrators in the chain). And it has been reported as: "In one hole."
Jami` at-Tirmidhi Book 47, Hadith 31
← Previous Hadith "The Jews would say: "Whoever goes into his wife's vagina from behind her, then his children will be cross-eyed.' So Allah revealed: Your wives are a tilth for your, so go to your tilth when or how you will (2:223)."

Jami` at-Tirmidhi Book 47, Hadith 30 Next Hadith → "'Umar came to the Messenger of Allah (ﷺ) and said: 'O Messenger of Allah! I am ruined!' He said: 'Why are you ruined?' He said: 'I turned my mount during the night (meaning that he went into his wife from behind).'" He said: "So the Messenger of Allah (ﷺ) did not say anything in reply to him. Then Allah revealed this Ayah to the Messenger of Allah (ﷺ): 'Your wives are a tilth for you, so go to your tilth when or how you will (2:223).' From the front, the back, avoiding the anus, and menstruation."

Jami` at-Tirmidhi Book 47, Hadith 32