Ali bin al-Husain bin 'Ali علي بن الحسين بن علي - زين العابدين · Divorce (Kitab Al-Talaq)

The Prophet (ﷺ) said: There are three things which, whether undertaken seriously or in jest, are treated as serious: Marriage, divorce and taking back a wife (after a divorce which is not final)

Asma', daughter of Yazid ibn as-Sakan al-Ansariyyah, was divorced in the time of the Messenger of Allah (ﷺ). No waiting period was prescribed for a divorced woman (at that time). When Asma' was divorced, Allah, the Exalted, sent down the injunction of waiting period for divorce. She is the first of the divorced women about whom the verse relating to waiting period was sent down.

Mu’tamir reported on the authority of his father Sa’id bin Al Hassan explain the Qur’anic verse “But if anyone compels them, yet after such compulsion is Allaah oft-forgiving most merciful(to them), said Allaah is oft-forgiving to those (slave girls) who were compelled (to prostitution)