You should just take a cutting from the plant and sex that, while that possible female stays in veg. The more mature the plant the better the yield. Yeah it's still a little early to tell but I'll make a guess that it's a female.
Agree to early to tell for sure buy looks female as of now. If you don't know how to sex, take a cutting root it in rockwool and put it soil with lights on 12/12
Could be a better way to sex but I've done it that way while keeping the main vegging. I've also only grown indoor once and ran two plants for 3months under a 1000w my before switching to a 1000hps so it had plenty of pre-flower to tell from. You don't have a journal or main thread on here?