Transcript for Test Moms
American moms making money and a whole new way they do it without ever leaving their home and -- -- katic reports tonight in some cases. It is helping their health to. And every day Jennifer Martinez scours the Internet searching for the newest clinical trials. She's going to be fast there's a lot of competition for human Guinea pigs these -- specially moms looking for extra cash. I did one study. And not -- that's like a lot of money in a short amount of time. Jennifer says she can make up to 5000 dollars for one trial she's tested everything from new allergy sprays to wearable medical devices. For about like a week that I that it was about thousand dollars she doesn't was uncomfortable but -- -- to be able to stay home with their children. One trial she regrets the one that required a lot of needles going -- now and again. It's not just the money that's attractive for a -- Santana participating in diabetes drug trials. Has dramatically improved her health my sugars are are a lot better than -- -- Of that once had to choose between food and medicine now her diabetes drugs are paid for saving her up to 500 dollars a month. I'm almost trials are considered relatively safe. Participants are warned about everything from headaches to liver damage that's like Jennifer Martinez only in -- in trials that -- the side effects won't be severe. If -- warns that. I don't think they're crazy that have you know normal side effects peace of mind for this mom giving up a piece of herself in the name of science. And some things to remember with these trials don't treat this as a trip to the doctor this is not free medical advice -- test subject not a patient. Find out who pays if something goes wrong. And most importantly the higher the pay -- well that means the riskier the trial.
This transcript has been automatically generated and may not be 100% accurate.