Leaking milk out of pumping breastshields
I have a Medela PIS and I have tried using both the 24mm and 27mm shields and I get leaks out the bottom (on the side touching my breast). . . I have an Easy Expression bra from Medela and it ends up half soaked with lost milk (which makes me cry because it's a miracle if I can pump more than an ounce in one sitting). I really can't waste a precious drop and I am growing really frustrated. Either I am doing something wrong or there is a serious design flaw with pumping shields in general.
Any advice from pumpers out there are on how to make my shields seal tighter so they don't leak?
Thanks in advance from a desperate and discouraged mama