Fasting on the Sixth Day of Menstruation with No Blood

Question

The menstrual cycle usually lasts for 7 days, but on the sixth day, I did not see any blood. What is the ruling on fasting on this day?

Answer 1

Peace be upon you and God's mercy and blessings.

Grand Ayatollah Sayyid Sistani (may God protect him):

The occurrence of menstruation and postpartum bleeding is similar to being in a state of major ritual impurity (janabah) in that deliberately remaining in these states invalidates the fast during Ramadan and even for its makeup days, as a precaution. If a woman experiences a clean period at a time when there is no opportunity for washing or performing tayammum, or if she does not know she is clean until dawn, her fast is valid. However, if she sees blood even for a moment after dawn, her fast is invalid.

Source: Minhaj al-Salihin, Vol. 1, Invalidators of Fasting, M 998 + Conditions for the Validity and Obligation of Fasting, Third

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Grand Ayatollah Sayyid Khamenei (may God protect him):

If a menstruating or postpartum woman becomes clean from blood, she must perform ghusl (ritual washing) before dawn. If she deliberately neglects to perform ghusl, her fast is invalid. If her duty is to perform ghusl at night during Ramadan and she is unable to do so due to time constraints or harm from water, she must perform tayammum instead of ghusl before dawn. If she is unable to perform both ghusl and tayammum due to time constraints or other reasons, her fast is valid. If a woman becomes clean from menstruation or postpartum bleeding after the call to prayer (adhan) for dawn, her fast for that day is invalid.

Source: Message on Prayer and Fasting, Fasting, Obligations of Fasting, Avoiding Invalidators of Fasting, Remaining in a State of Janabah or Menstruation or Postpartum Bleeding until the Call to Prayer for Dawn, M 850 + 852 + Tahrir al-Wasilah, Fasting, What Must Be Abstained From, M 7

May you be successful in all good.