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Did you know?
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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There are more sensory neurons in the tongue than in any other part of the body.
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Thyroid conditions may make getting pregnant impossible.
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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.
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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.