ity and on the receipt of infertility services from the 1995 National Survey of Family Growth (NSFG) allow us to determine whether and how these phenomena have changed since they were last measured in 1988. Such trend analysis has implications for projecting future health care costs, particularly in an arena of changing insurance coverage and potential health care reform. It may also be relevan...

Background: Success in assisted reproductive techniques is raising hope for many infertile couples, but as in these techniques many embryos are made, there is no choice other than cryopreservation of the not-transferred embryos. Along with development of these techniques, the number of In-vitro made embryos is rising and the number of transferred embryos is decreasing to prevent multiple gestat...