Doctors use tissue slides like this one of the ovary's outer cortex to confirm a woman's ovarian reserve. It's also the the ovary tissue that's removed in an ovarian transplant. Courtesy of the Infertility Center of St. Louis hide caption

itoggle caption Courtesy of the Infertility Center of St. Louis

By sequencing a newborn's genome, doctors could screen for more genetic conditions. But parents could be confronted with confusing or ambiguous data about their baby's health. iStockphoto.com hide caption

itoggle caption iStockphoto.com

Human embryos under a microscope at an IVF clinic in La Jolla, Calif. Sandy Huffaker/Getty Images hide caption

itoggle caption Sandy Huffaker/Getty Images

Nebraska Gov. Dave Heineman vetoed a bill that would spend government funds on prenatal care to illegal immigrants. He has that service for illegal immigrants should be provided by churches and private organizations, not with taxpayer money. Nati Harnik/AP hide caption

itoggle caption Nati Harnik/AP

A still from A Healthy Baby Girl, a 1996 documentary in which filmmaker Judith Helfand chronicles the health consequences of her own in utero exposure to diethylstilbestrol (DES).

Courtesy of Women Make Movies hide caption

itoggle caption Courtesy of Women Make Movies