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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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