He could not do wudoo’ or tayammum in the hospital so he prayed as he was

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Check below answers in case you are looking for other related questions:
Is it permissible for a pregnant woman to join two prayers if she is facing hardship due to pregnancy?
Prayer of a sick person who is not able to remove impurity

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Related Answers:
A pregnant woman feels nauseous all the time – how should she pray?
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She passes wind continually; does this mean she cannot go to the mosque?
Is it permissible for a pregnant woman to join two prayers if she is facing hardship due to pregnancy?
Prayer of a sick person who is not able to remove impurity

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