Sterility
(Abjuration)

Range:  10 feet
Components:  V, S
Duration:  30 minutes per level
Casting Time:  1
Area of Effect:  One person
Saving Throw:  None

This cantrip is the wizards' form of birth control. It is 100% accurate and can be performed on anybody who consents to it prior to sexual activity. Priests have high level spells to accomplish this, but only wizards have such a simplistic form of birth control.

