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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
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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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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.