Wa `alaykum as-Salamu wa Rahmatullahi wa Barakatuh.

 

In the Name of Allah, Most Gracious, Most Merciful.

 

All praise and thanks are due to Allah, and peace and blessings be upon His Messenger.

 

He cannot take her back, for the marriage has been terminated after the expiry of three months (or three menstrual cycles); so, he cannot take her back; however, if it is the first divorce, he can remarry her through a new nikah ceremony.

 

 Allah Almighty knows best.