Spotting from vaginal atrophy

I have recently had brown spotting due to vaginal atrophy. (I was examined by a gynecologist and also had an ultrasound confirming that this was definitely the cause of the spotting. I am now using a hormonal cream and the situation has improved.) I am 69.
Do I have to count clean days and go to the mikve? (I am concerned that if I do the bedika with a piece of material, it will cause spotting again beacuse of the fragility of the internal tissue.)
If I have to ask a shealat rav how do I go about doing it?
Thank you so much for your help.

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