When Koni Howard was 25 and pregnant with her second child, she sensed something wasn't quite right. The Oak Ridge, Tenn., mother wasn't gaining much weight, and at 36 weeks into the pregnancy, was continuing to measure small for the baby's due date.

"Unlike my first baby, [my second child] hardly ever moved," she says. "I had a feeling there might be a problem."

She just didn't know what the problem might be. Despite numerous blood tests and non-stress tests, which tracked the number of movements made by the baby, Howard's obstetrician didn't find anything to cause major concern.

However, a t 36 weeks into the pregnancy, an ultrasound showed low amniotic fluid levels. Howard was diagnosed with oligohydramnios, a condition in which the amniotic fluid surrounding the baby is below normal levels.

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