ANSWER:

Suhoor does not impact the validity of fasting. However taking suhoor is from the sunnah.

What are rulings for the person who missed suhoor due to not waking up at time of suhoor and he wakes up with Adhaan of Fajr ? Will his fasting be valid if he starts his fasting by listing the Adhaan of Fajr without taking suhoor.

Fasting | May 10, 2020 9:33 pm
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My mother is a diabetic patient,One month ago her sugar level was out of control so doctor advised her to take insulin and maintain a balanced diet Alhamdullilah her sugar level is in control now, but she wants To have a fast in Ramadan but doctor advised her not to fast if you have to maintain your sugar level.My question is what she as to do in this situation as per the quaran and Hadith?
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When i was making wudu i accidentally swallowed a little bit of water does this invalidate my fast.