Millions of Americans are infertile, and many are willing to spend tens of thousands of dollars on new, high tech treatments to help them have babies. New clinics are opening around the country to tap into that market. Some doctors and medical ethicists fear competition among the clinics is turning doctors into hucksters, and that some will take medical risks to try to raise their clinical pregnancy rates. Still, many patients are pleased to be able to shop around for a clinic that offers them a baby at a discount price. In the next installment of our series, "The Fertility Race," Minnesota PUblic Radio's Catherine Winter reports on the explosive growth of the fertility industry.