Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.
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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Distributions of two barnacle species within the intertidal zone
The San Andreas Fault Zone
Having a time zone map located near the telephone will assist you when making long distance calls ou
Intertropical convergence zone
Exercising in the "fat-burning" zone or the "cardio"