Truly stoning in the Book of Allah Subhanahu waTa'ala is haq for people who commit adultery if he muhshan from men and women, the evidence has been upright or the existence of pregnancy or confession. "Narrated al-Bukhari and Muslim.
2- Withdrawal of faith from adulterers so he repents
From Abu Hurairah radiyallaahu 'anhu from the Prophet sallallaahu' alaihi wasallam said, "An adulterer does not commit adultery when he commits adultery while he is in a state of mu'min." (Narrated by al-Bukhari and Muslim). In a narrated al-Bukhari, "And repentance remains open afterwards."