When Will I Get My Periods After Taking Misoprestol Tablets?

i 4 weeks pregnant test my self with the pregnancy tester its came positive and i took 4 misoprostol 200 mcg tablets from cheek pouch it didnt work then after 13 hours i took 4 more by mouth its almost 28 hours from the 2nd 4 can you tell me please when i am going to start my period