Is the light brown discharge that appears at the time of the menstrual period, accompanied by menstrual pain, and followed by the flow of menstrual blood, considered menstruation that prohibits fasting and prayer?

If the brownish discharge (kudra) appears at the time of menstruation and is accompanied by menstrual pains, then it is considered menstruation. Therefore, one must abstain from prayer and fasting. However, if it appears outside the time of menstruation, it is not considered menstruation.