Oh yeah, Mormons are nutso.
If you ever get the chance, read "Under the Banner of Heaven" by Krakauer.
I've never been in a position to decide whether to abort or not, so all I can say is what I think I would do.
I believe it is right and just to bring a life into this world if you have created it. Sex has consequences whether they be emotional, penicillin related or otherwise, and grown ups have to deal with those consequences.