During the procedure, both the woman providing the egg and the woman providing her womb have to have their menstrual cycles brought into synchrony by the use of drugs. Then the egg donor must undergo a surgical procedure for the eggs to be removed, and after the eggs are fertilized invitro they are implanted in the surrogate's uterus by another surgical procedure.
在受術過程中，無論是提供卵子或子宮的女性，必需藉由藥物將兩人的生理周期調整到一致，然後提供卵子者再經由手術取卵，卵子在培養皿中受精後，再經由手術植入代孕者體內。