Suggest Remedy For Periods Problem

dr,. i took mifeprost and misoprost kit on 5th july n my periods started on 7th july n lasted till 17th july. i went for scan on 18th july, acc. to the report there was no clots or conception inside. after a gap of 2 days there was a black- brown colored clot on 21st , 22nd n 23rd . on 24th july periods started again. my last periods were on 1st june so is it possible that after bleeding on 7th july can my periods start on 24th july. please suggest.