You would probably have to take a break as you are still quite young and possibly still peri meno. You need to be one year without a natural period before you are considered post meno and therefore able to use conti HRT. Many women don't like taking progesterone all the time - it can bring more side effects.
If you want an easier HRT regime then having the Mirena fitted is a good option - you then just add in oestrogen as pills, patch or Oestrogel. After the first few weeks of fitting the Mirena, all bleeding and spotting usually stops and you then have a non bleed HRT regime with far less hassle. DG x