There are some couples who are tested with facing the situation where they are unable to have children the natural way. What alternative methods are permissible? What can be done?
It is permissible as long as the child is coming from the husband and wife, and you do not take either the sperm, egg or pregnancy from a third party. It is impermissible to go to a third source for sperm, egg or pregnancy
Shaykh Yasir Qadhi answers the question in more detail.
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