Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
Seek emergency help for uncontrolled heavy bleeding, fainting, severe weakness, chest pain, difficulty breathing, sudden one-sided weakness, or bleeding from the catheter site that does not stop with firm pressure.
Contact your healthcare team promptly for a fever that persists, worsening pelvic pain, foul-smelling vaginal discharge, persistent vomiting, difficulty passing urine, increasing redness at the catheter site, or bleeding that is heavier than your team told you to expect.
Routine tiredness, mild cramping, light bleeding, or a low-grade fever may occur during recovery.
Mention symptoms that are not improving at your scheduled follow-up, even if they are not urgent.
Every sign above is quoted from the sofidex article on Uterine artery embolization. If you are not sure, err upward — it is always reasonable to be checked.