Plan B ( levonorgestrel 0.75 mg ) 2 pill at once. Yuzpe: 2 doses 12 hours apart: Lo/Ovral 4 pill 12 hours apart. 86% effective No pregnancy test needed if used up to 72 hours after unprotected intecourse. No prescription needed if > 18. Decrease risk of pregnancy 85% No teratogenic effects Smoking , hypertrigliceride, and hx of DVT not contraindication.