poly cystic ovaries

Im 23 years old , 53 kgs , 5 feet , i skip my periods a lot , in 2005 it did not come for 4 months at a stretch , that time my weight became 59 kgs (increased 9kgs in 6 months), with facial hair and high testosterone . i was diagnosed with PCOD, was put on dianne 35 for 6months ,after which i was fine , became 49 kgs . but now again i ahve started to put on weight , and severe face acne and hair on chin and sideburns.
when i get periods , flow is very little and no pain at all.very few clots .
when i go in the sun i get headache (however if i drink a lot of water before going in the sun ,there is no headache) .
I often have constipation. i feel thirsty quickly . i drink around 3 lts water in a day (not out of thirst but to avoid feeling thirsty and dry)
i like cold and rain , not harsh sunlight .i live in dubai , the whether here goes upto 50-53 degrees in summers
i find it hard to sleep , so generally i sleep by 2-3 at night , and then wakeup at 11 am . i dream a lot and rememberdreams when i wakeup. generally pleasant dreams , occasionally bad.
i am quiet , shy and reserved ,i dunt have many friends ,im sensitive but i never cry infront of anyone , not even family members .im moody , stubborn , easily irritated .
i like sweets and dairy products. skin is normal , very slightly oily on t zone ,
i get bronchitis once every 2-3 years.when i was a child i used to get ear infection all the time , with pus coming from ears but then i had ear drum reconstructive surgery so problem cured.
i store a lot of fat in upper arms , and also get tiny red bumps on them (keratosis pilaris) ,breasts are small , belly and abdomen are not fat at all , infact they are quite flat , buttocks and thighs are slightly heavy but not odd in appearance .
please assist