Ob-Gyn questions? Ask a gynecologist online.
You will get your period again. If you don't want to have a period, you should start to take the new pills without the sugar pills.
You should take primolut until the active pills of levlon is finished. No particular diet or supplements are necessary. Where is your pain? Do you have pain during period? Did you have ultrasound?
You should continue to take pills without sugar pills. Another way is use etonogestrel implant or levonorgestrel intrauterine device if you don't want to take pills every day.