Doesn't mean she'll make boy flowers it's just that femmes are more prone to do so. Keep pinching and bending in between the nodes of the topmost colas to try and even the canopy. You can still LST for a few more weeks. This won't make them herm; keep your temps down and the dark cycle uninterrupted and they should be fine. Watch for male flowers...look sorta like bananas...once the buds fill in.