How Long Does Bleeding Persist After Medical Abortion?

Hi I m 4 weeks pregnant n had mifepristone day b4 yestrdy n had few blood clots yestrday today I suppose to tk 4 tab of misoprestol is 2 r enough or Ihv to tk ol 4.... also till whn periods will stop n I feeling little stomach aches n body shivering since few days kindly suggest? ?