This hour: IVF -- in vitro fertilization -- has brought the miracle of life to women and families across the U.S. Those who have undergone the procedure, however, know it does not come without a cost. Coming up, we weigh the physical, financial, and emotional demands of IVF treatment. We hear from doctors and patients. We also consider a recent New York magazine article about PGS -- the test used to identify viable embryos. How accurate is it? We take a closer look.