Does Misoprostol Tablet Delay Menstruation?

Hi Dr

I am preeja kumary my last period was on 5/1/2014 and i did pregnancy test on 4/2/14 it showed positive so I have taken mesoprostol tablet .After that I took the advise from one doctor and she advised me to do scanning .Impression of the report is there is no gestational sac seen at present with the result I went to one doctor she advised to do bhcg on that test is negative so that she given me tab primulut n 10mg for 5 days last monday the medicine finished but I havn't got my period back is mesoprostol will delay the cycle