You should stand and offer ruku which you are in doubt of and then offer prostration of forgetfulness after the salam and offer another salam.

If I have doubts about I had done rukoo’ or not, while being sajdah, what should I do?

Prayer | February 16, 2014 10:30 am
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If a woman gets her hayd within a certain waqt, for example, esha, but has not yet performed that salah, even though the athan had already gone, is she held accountable for that salah? What should she do?