surrogate - n. a woman who agrees to become pregnant in order to give the baby to someone who cannot have children  

embryo – n. a human or animal in the early stages of development before it is born

implant – v. to put something in a specified place                     

artificial insemination – n. a medical process in which semen is used to make a woman or female animal pregnant without sexual intercourse.

fast track – n. a process or way of proceeding that produces a desired result quickly