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Did you know?
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.
Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Did you know?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.