What if you are not pregnant but take the medicines anyway?

 

Your health will not be harmed if you are not pregnant but take the medicines anyway. However, you may still experience the common side effects of the medicines, including nausea, vomiting, diarrhea, or a low fever for up to 24 hours.

More scientific information:
“Evidence from use of Mifepristone in nonpregnant women shows no medical harm and few side effects".7 Misoprostol is normally used in nonpregnant women to prevent and treat ulcers.