Okay ladies, ive had some issues lately with UTI's...

I seem to get them alot lately especially when im 1-2 days away from getting my period. Ive seen my GP and theyve done tests but im being imaptient and wanted to ask of anyone else gets them and if its normal in some people to get them as often as i do, the other issue is im getting 2-3 periods spaced out every month some 7 days long other 4 days.

I have only just started getting my period again as of September due to the Depo needle i was on. And now im only getting the brown disharge that you get towards the end of a period, but its happening on all days of my period ive had a tiny ammount of small blood ranging from a pink to dark red but mostly brown disharge. Any ideas guys?