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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.