The most common symptoms of mumps include fever, headache, muscle aches, tiredness, and loss of appetite followed by onset of parotitis (swollen and tender salivary glands under the ears -- on one or both sides).
Mumps can lead to hearing loss and aseptic meningitis (an infection of the covering of the brain and spinal cord) in about 10% of cases. Painful, swollen testicles occur in 20% to 30% of males who have reached puberty (orchitis) -- but rarely does this lead to fertility problems. About 30% of women who have reached puberty can have painful swollen breasts (mastitis) from mumps and, in a very few cases, inflammation of the ovaries.
Infertility is the inability to get pregnant after a year of unprotected intercourse.
About 10% of couples in the United States are affected by infertility. Both men and women can be infertile. According to the Centers for Disease Control, 1/3 of the time the diagnosis is due to female infertility, 1/3 of the time it is linked to male infertility, and the remaining cases of infertility are due to a combination of factors from both partners. For approximately 20% of couples, the cause cannot...