On a real downer today , had an op in january to remove endometrosis my 3rd one in 9 years , I have had 3 painfree periods and then last night I was up all night in agony and came on this morning , feel like I have had an operation for nothing, I am usually generally pain free for up to about 18 months after an op , cant beleive how bad I was and so soon. Any one else experienced pain so soon