In the Name of Allah, the All-Merciful, the Mercy-Giving.
All praise is due to Allah. Peace and blessings be upon His Prophet Muhammad.
A husband may not prevent his wife from performing the obligatory Hajj-pilgrimage as long as she has fulfilled all the required condition. According to the majority of scholars, a husband does not have this right and becomes sinful if he prevents his wife from fulfilling the personal obligation of hajj.
But if a woman wants to perform a voluntary hajj-pilgrimage, then her husband has the right to prevent her; since his permission in this case is a must.
Almighty Allah knows best.
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