Is this a hermie I got pics

I'm in my 3rd week of flowering and I notice i little green ball in the dirt when i was watering..I check my plants like a hundred times I was pretty sure I had all girls now im not sure, i see some balls under my buds wut do you think?

looks like a sac

dam that crazy they wasn't there a week or two ago can a female plant go male

That definately looks like mini-bean-bombs... A female plant cannot go 'male' persay, but imo it's just as bad. What'll happen is u'll have seedy buds....

that's all male.

... i do see only 1 hair..... fems come in pairs correct?

that just looks like a plain ol' male next to one of those green stipule hairs. ur plants either a he/she or a full blown male.