11.   It had been a difficult pregnancy and she was confined to bed.

12.   It was a difficult pregnancy.

13.   It was a difficult pregnancy, and Donna almost died, she said.

14.   Maybe, he figured, it was because his own daughter was enduring a difficult pregnancy.

15.   One went through a difficult pregnancy.

16.   Preston V was born after a difficult pregnancy and immediately was sent to the intensive-care unit.

17.   Shortly after Schmirler gave birth to her second child last summer, following a difficult pregnancy, doctors discovered a malignant tumor in her chest cavity.

18.   Sutton said that his wife, a flight attendant, never complained or flagged during an extremely difficult pregnancy filled with its own set of real dangers.

19.   That same sense of spirituality has been both a guide and comfort to Deborah Edwards, the George Washington University Hospital patient, during her difficult pregnancy.

20.   The idea is to give physicians an incentive to provide regular and consistent pre-natal care for women who already are at risk for difficult pregnancies, Hill said.