Hi...I am 21 year old...my mensuration started when I was 15 ....my cycle was never regular,I always had a gap of 2 to 4 months....I got married last year and now the situation is even worse....I m soooo upset I took primolet N on 28 January after 4 days I got periods when I stopped taking it and now its almost may I mean 4months I did not get periods.. .my tests including thyroid FSH LH serum prolactin all are normal ......should I take primolut N again....which I don t want because I have gained a lot of weight after the last time I had that medicine....plz help!