I don't think they sold the parts, it probably looked more like this without the editing
Hospital representative/Doc: So, parent/s, I know this is a difficult question to ask you at such a time, but would it be possible to perhaps use the fetus for medical research? This has the potential to save many lives and help us in the study of illnesses. (Or something along those lines.)
Parent/s: Well, I guess so. You want me to sign this? Okay.
HR/Doc: Thank you very much madam/sir.
*Parts are delivered to relevant person/place*
Money exchange was most likely to cover other costs for travelling etc.
Hospital representative/Doc: So, parent/s, I know this is a difficult question to ask you at such a time, but would it be possible to perhaps use the fetus for medical research? This has the potential to save many lives and help us in the study of illnesses. (Or something along those lines.)
Parent/s: Well, I guess so. You want me to sign this? Okay.
HR/Doc: Thank you very much madam/sir.
*Parts are delivered to relevant person/place*
Money exchange was most likely to cover other costs for travelling etc.