Sometimes it happens that bleeding may variate for 4-5 days from the usual date in menses. if you have given her mt prost kit she might have bleeding within 3-4 days, and sometimes it happens that whole product in uterus
not evacuated and retained products can produce pain and bleeding.
So you should go to gynaecologist for usg and further d n e procedure if required.
it will be confidential and totally safe...