Definitely not showing sex.. those are just the beginnings of branches that will eventually grow from those nodes.
She looks alright so far though. Just be sure not to over water her. That's the #1 thing that fucks growers their first time. The #2 thing is likely a tie somewhere between too much nutrients and pH.
Either way, dont over water (let it dry between waterings), dont over fertilize, and always check your pH, and you'll do well