[anibus3]

"Hm...well they would have some growing to do but they would be as foals. Course I'm sure you want a small amount an twins sounds like a good number to start with." Herman said. "After all, twins is a natural number for centaurs. Well the way this works is...well...I'm sorry, I'm not really sure how to explain it. It uses the magic used to create different genetics that mix with yours. The pregnancy can well...last any given amount of time, you could just have one and it be a month before it feels ready to come out. Of it could happen as soon as the spell takes place."

A shrug left Herman, the spell wasn't very specific on what it did. Other than the fact that it granted the one it was used on fertiality and the ability to bear many young and healthy offspring. Sure there might be natural issues but the main part of the spell was what was meant to work.