Less than three days: below the Hanafi minimum, hence istihadah.
Three through ten days: may be hayd if other conditions apply.
Beyond ten days: the whole span is not indiscriminately menstruation; the established habit or first-occurrence rule distinguishes hayd from istihadah.
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Istihadah, Excused Persons and Nifas
Less than three days: below the Hanafi minimum, hence istihadah.
Three through ten days: may be hayd if other conditions apply.
Beyond ten days: the whole span is not indiscriminately menstruation; the established habit or first-occurrence rule distinguishes hayd from istihadah.