Utrogeston regime - looking for easiness!!

[pinkrabbits39]

I’ve been on utrogeston for 4 months, my normal cycle is still prevalent and I’ve never bled at the end of my 2 weeks taking it.
Can I alter the regime to the first 2 weeks of every month? Otherwise I’m starting it a different day every month and frankly it’s confusing! What do other ladies do to work out when they need to take it?! Help, my peri brain can’t take it! Thank you

My doctor told me to take my 200 mg from the 15th to 25th of every calendar month (10 day regime as Progesterone intolerant).