Question Summary:
Is it permissible to donate blood to one’s wife?

Question Detail:

Can husband donate blood to his wife?  In other words can husbands blood be transfused to wife?

Answer :

In the Name of Allah, the Most Gracious, the Most Merciful.
As-salāmu ‘alaykum wa-rahmatullāhi wa-barakātuh.
Blood transfusion is permissible between the husband and wife.[1]
And Allah Ta’āla Knows Best 
Fahad Abdul Wahab
Student Darul Iftaa
USA
Checked and Approved by,
Mufti Ebrahim Desai                                                                                                                                                                                                                
www.Daruliftaa.net