Last March, Anna Wexler was nearly 9 months pregnant with her first baby - and the timing could no have been worst. The postdoctoral research in medical ethics at the University of Pennsylvania was a finalist for a prestigious National Institutes of Health (NIH) research award for young scientists. The competition required a 20-minute interview with a review panel at a Washington, D.C., hotel a few miles from the NIH campus in Bethesda, Maryland - just 9 days before her baby ws due.