I do believe there is a strong link with PMS and depression.........I never realized this about myself until the past 4 yrs - I am 45 almost 46 now.......and it's very notable on my calendar when my MOODS shifts to HIGH AND UGLY and low and dark .....nothing seems 'right'......everything aggravates me, and food? Carb out, sugar out......let me at a buffet pronto for 5 days in a row. Then only to have much regret later adding to the depression and weigh gain - add that to the PMS list. I wish I was 'fixed' like a cat.......I don't have any human children and don't want any either. I enjoy my 3-kitty cat children, they are my children, my lifeline.
Oh yes do I relate to all of you !

Most men don't realize what a woman goes through prior to period. They just think you are simply nuts a ***** - along that vein.....add being Bipolar in there and wheeeeeeeeeeweeeeeee you are a labelled a bonified nutbar, speaking about myself here.
BTW - PMS'g right now.......the countdown is on.