Missing third period after tacking abortion pill

Patient: Hello , my wife miss the period after intercourse then we decide to take abortion pills Misoprosome and miffeprostome and then her bleeding start. the abortion pill take at 07 july 2015 .And the next month period at particular time (05 aug 2015) but it s time only one and half day.now the third month her period is missed. so what is the reason for missing period? because we dont have baby and any type of emergency.

Symptoms: Breast pain