ANSWER: Your friend must give expiation of slaughtering a sheep in Makkah and distributing the meat to the poor. As you were the one who gave her the wrong fatwa, you are the one who should give her the money to do that or slaughter on her behalf after she authorizes you. 

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ANSWER: Your fast is broken immediately, even if you started you period a few seconds before maghrib and you must make this day up after Ramadan, including your other days of menses.

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