1.   But during frequent checkups, doctors found that fluid had begun to build up in his skull, Fein said.

2.   Fluid began building up in his right knee and he decided to have the complete reconstructive surgery.

3.   Just then, the bag of water that cushions the fetus broke, and amniotic fluid began leaking onto the floor.

4.   Warm fluid began to run down his back.

5.   In March, coolant fluid began to leak and the main oxygen-generating system failed.