Boy Or Girl? Pre-flowers in Veg

I have (2) Ace of Spades, and (2) Apollo 13 BX that have been in veg for 40 days. Upon examining them this morning I noticed three of them are showing some sort of pre-flowers, I looked at them with a scope and I still cannot determine whether or not they are boys are girls. Please take a look at the photos and help me decide. Are they early calayx formation before the hairs pop out, or are they balls??
I hope they are all not boys, that would leave me with one Ace of Spades, and two little two week old Bubba Mantis F2's, and completely screw up my cycle.
 

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