What is the ruling if the length of the menstrual period is increased because of taking the contraceptive pill?

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Check below answers in case you are looking for other related questions:
Rulings on menstruation
She was not certain that her period had ended, and she prayed and fasted

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Related Answers:
How can a woman determine that her period has ended so that she can pray?
What is the ruling on non-menstrual bleeding?
Her period will end when she is on her way to Makkah but she cannot do ghusl
Rulings on menstruation
She was not certain that her period had ended, and she prayed and fasted

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