You can expect bleeding for the first 3-6 months of any new conti regime but if you're not meno it's very likely you'll continue to bleed anyway. Hrt doesn't override your own system in the way bcp does. 52 doesn't necessarily mean you're meno, some don't hit meno till their early 60s. If you want to be bleed free the most effective option is a mirena.
The utro dose is the same whichever way you take it, 100mg every other day vaginally is insufficient unless you have regular scans to check the lining isn't building up.