If you cannot get pregnant and has been declared barren by the doctor, would you agree to a baby maker so your husband could have a child? I have seen lots of couples who adopt babies just so they would have children or sorts. But none of them is open to the idea of a baby maker even if the baby will be given to them. That is like paying a woman to get pregnant with the husband and when the baby is born, it is registered as the offspring of the husband and wife. The wife would prefer to adopt a baby of unkown parents than to adopt the child of her husband.