"The Messenger of Allah (ﷺ) prohibited selling the spoils of war until it has been distributed."

There is something on this topic from Abu Hurairah.

This Hadith is Gharib.
Jami` at-Tirmidhi Book 21, Hadith 22
← Previous Hadith "The Nafl is when the Imam says: 'Whoever got something, then it is his. And whoever killed a fighter, then his goods are his.' So it is allowed, and there is no Khumus taken from it." Ishaq said: "The goods are for the one who did the killing, unless it is something that is a large amount." So he saw that the Imam could take the Khumus from that, just as 'Umar bin Al-Khattab did.

Jami` at-Tirmidhi Book 21, Hadith 21 Next Hadith → From her father who told her that the Messenger of Allah (ﷺ) prohibited intercourse with female prisoners, until they deliver what is in their wombs."

There is something on this topic from Ruwaifi' bin Thabit, and the Hadith of 'Irbad is a Gharib Hadith. This is acted upon according to the people of knowledge.

Al-Awza'i said: "When a man purchases a slave girl from the captives and she is pregnant, then it has been related from 'Umar bin Al-Khattab that he said: 'Do not have intercourse with the pregnant women until she gives birth.'" Al-Awza'i said: "As for the free women, then the Sunnah about them has passed, in that the 'Iddah is observed." All of this was narrated to me by 'Ali bin Khushram who said: " 'Eisa bin Yunus narrated to us from Al-Awza'i."

Jami` at-Tirmidhi Book 21, Hadith 23