ANSWER:

No problem if it’s normal blood as this is not impure except if it’s from the private parts. 

If it’s urine or any other impurity then you must wash the affected area or change your clothes before praying.

Sheikh I am a nurse sometimes I get blood stain or bodily fluids stain. I want to know whether I can pray with my uniform

Prayer, Purity | October 16, 2020 12:52 am
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Yesterday asked regarding Niyah of ghusl during normal bath as you said it is not permissible due to there is no major impurity. Now my question is the ghusl taken during friday before jummah prayer as its sunnah. What niyyah should be done for friday ghusl. ?