Let’s try one more step. Would they stoop so low as to pay a woman to get pregnant? How can we assume at this point they would not?
Next steps. They have already transplanted a baby kidney into a RAT, and kept the tissue alive for 4 months. Imagine if they could get hold of a Terri Schiavo and graft all kinds of organs and pieces into and on the person. When the pieces grew large enough, lop it off and sell it for transplant.
Why buy a cow when the milk is cheap?