New Grower No sex at week 4

[Mak Bo]

Hi,

I have my first grow, today is week four and plants still aren't showing any sex.
Should I be worried ?

Seeds are originally feminized automazar. I got them from a trusted friend who warned me that plants were stressed due to environment change and some of them went male or. hemaphrodite -> this is where seeds are from

 

[Mak Bo]

Info:

number: two plants
soil: plagron soil growmix
pot: 2x 2,7 L pot (2x 0,5 gallon)
lights: 250w MH 18/6
feeding: no nutrients for now
humidity: 30%-40%
temperature: 20 C - 30 C (65F - 85F) night / day

On first plant i cut of main fan leafs at first node and on second plant i cut of fan leafs at first and second node.Did some basic LST at first and second node for more vertical grow.

For now no ventilation, just passive fresh air intake from roof -> 2x 12cm hole (2x 4,5 inch)