Don't confuse them for hermaphrodite plants 50 days into flowering also, I almost flipped a switch when i first saw those balls towards the end of flowering...Mine look exactly like that right now -- they've been 12/12 for 7 days. It's my first grow so I thought all those little round things were balls, but if I wait a day they sprout a leaf. So now I'm learning that there are "leaf balls" that pop up on the nodes that are not the pollen sacs of the dreaded male.
So I think I have another few days or a week to know, and maybe the same for you. I'll be following this thread with interest to see what other people say.