sometimes doctors will prescribe an oral anticontraceptive(=OC) like Diane
- which is an OC which
is what we call antiandrogenic - because it decreases the androgene ( male hormone ) production.
In PCO (polycystic ovaries
) the ovary produces more androgenes/ male hormones.
Which often leads to irregular periods
- e.g. cycles which are longer than normal.
If ypur cycles are longer than normal - your ovulation is usually later than normal, too.
Reducing your chances of getting pregnant - as your ovulation is later and doesn`t occur so often.
Some doctors prescribe OCs like Diane for 2-3 months - when you go off Diane - periods are usually very regular in the time directly after stopping the intake of Diane - and your chances of getting pregnant might be higher in that time.
You can obviously get pregant as you did so in May.
I would contact your doctor and just ask him if that was his intention - to "calm" the polycystic ovary (PCO) and make your chances of getting pregnant higher by giving you Diane.
Seems strange that only one ovary is polycycstic- usually you see both ovaries have pco.
Sometimes doctors forget that you originally wanted to get pregnant - and prescribe Ocs just for the PCO. - If this is the case - you don`t need to take it.
So, do ask him/her.