Can anyone give me advice on my irregular cycles... iv always had 28 day cycles until about 4 months ago i had 33 days then 35 followed by 41 days and this month was 25days!!! I went the GP who did a test and said i have high prolactin levels...would that been affecting anything? He's referred me to a specialist but i haven't had an appointment yet. Do people just become irregular or would something have caused it?