This Nov. 2005 file photo shows future parents awaiting the arrival of their first child in Carlsbad, Calif. When you're expecting a baby, you hope nothing goes wrong. But at least one in 20 pregnant patients develops a scary complication called preeclampsia, a high blood pressure disorder that kills 70,000 women and 500,000 babies worldwide every year. New blood tests promise to help doctors predict and manage the condition. (AP Photo/Julie Busch, file)