[Froufrou]

I thought the only risk associated with measels was that it could make you sterile or cause birth defects if contracted by a pregnant woman.

[svcw]

Mumps can make a man sterile. You can go blind and or deaf from measles. Rubella can damage a pre-born baby severely.
These childhood diseases can be more dangerous than people realize.
Its similar to strep throat, people take it very lightly but it can lead to more dangerous disorders, like scarlet fever, which can damage the heart.

[Spyder]

only risk associated with measels (sic) was that it could make you sterile or cause birth defects if contracted by a pregnant woman That's a pretty darn big risk for the every-sperm-is-sacred crowd. If your kid is the one to pass it on to a pregnant woman whose immunity has waned through the years, is your kid guilty of infanticide if she miscarries?