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Author Question: Marcus received hockey skates for his tenth birthday. Although he is an experienced rollerblader, he ... (Read 67 times) |
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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.