ANSWER:

There’s no fidyah for this. 

You must keep all those fasts when all the obstacles are removed. 

Last year I did not fast during Ramadan as I was pregnant and I used to feel sick all the time, after that I was not able to fast because of breastfeeding. Am I supposed to keep the missed fast for those days or can I pay the fidyah or both?

Fasting | May 1, 2020 1:28 am
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I had read in a Hadith that aside from the seven things that invalidate the fasts, sins also can invalidate a fast, so does it mean both major and minor sins, or does it mean sins done consistently the whole day invalidate the fast?
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When my menses is going on, And when it gets over before fajr prayer or suhoor, what am i supposed to do, should i fast without performing ghusl to be pure or i will leave that roza and continue to fast from the next day.?