ROCKVILLE, Maryland, Aug. 21 (TNSres) -- The National Institutes of Health's Eunice Kennedy Shriver National Institute of Child's Health and Human Development issued the following news: Subclinical hypothyroidism during pregnancy, an asymptomatic imbalance of thyroid hormones, may be associated with a higher risk of low thyroid functioning (hypothyroidism) within 5 years after giving birth, suggests an analysis funded by the Eunice Kennedy Shriver National Institute of Child Health and Human De  more