"We are seeing an increase in inquiries, but we're not sure if it's due to the economy or increased awareness, " said Dr. Susan Willman, a reproductive endocrinologist at the Reproductive Science Center of the Bay Area.
NHS, John Willman weighs up the evidence for and against direct charges, and finds on balance that they could provide a significant source of new money, without undermining its core objective of offering equal access to health care.