Block the Seed

You are incapable of getting someone pregnant or becoming impregnated for the duration of this spell.

Book of Erotic Fantasy  
Author: Gwendolyn F.M. Kestrel

Abjuration [Sexual]

Level: Bard 1, Cleric 1, Sorcerer/Wizard 1, Body 1,
Components: V, S, M
Casting Time: 1 action
Range: Personal
Target: You
Duration: 1 day/level

You are still vulnerable to sexually transmitted diseases unless protective measures are taken.

Material Component: A lemon rind.