Is a wife considered pure if bleeding stops after five days and a brown discharge appears for a period ranging from two to four days?

If a woman has a regular menstrual cycle, she is considered pure after her period ends and she sees dryness or the white discharge. No attention should be paid to brown discharge that appears afterward, based on the saying of Umm Atiyyah: "We did not consider the brownish or yellowish discharge after purification to be anything." However, if this discharge is continuous with the menstruation before dryness or the white discharge, then it is considered part of the menses.