As described in the second situation...

As described in the second situation, this action is haram in itslef; if a child is born it will belong to the woman and that man whose sperm was used. All other details of the second situation will apply here too. Q. 57: IS SURROGATE MOTHER ALLOWED IN ISLAM? Nowadays the system of employing "surrogate mother" is spreading. The sperm of a man is inserted into the womb of a woman, other than his wife.

They make an agreement with that woman (called, surrogate mother) that she will carry the child for the full term (cir.9 months), but after delivery she will…