Generally,
Is it halal (allowed) to use condom or any other things like copper-T to prevent pregnancy between married couples?
Consider the following situation:
If a women has two children (both are caesarean), and her doctor asked her to set up a family plan, since it will be danger for her health if she has another pregnancy. But the couple refuses to do that. In this situation, is it halal to use condom/copper-T to avoid pregnancy?