Thyroid conditions may make getting pregnant impossible.
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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
The ovarian and uterine cycles in a human female.
0M, 1M, and 2M Female Mouse Fetuses
Stage of Surgical Anesthesia: Guedel's Classification