Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.
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In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.
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Vaccines prevent between 2.5 and 4 million deaths every year.
Plants
Plants
Plants
Water transport in plants.
The monohybrid cross between tall (D) and dwarf (d) pea plants
The monohybrid cross between tall and dwarf pea plants