S/he hasn't shown sex yet. Wait a few more days.
Also, please give us more info about your setup.
Lights,
Grow space size,
Age of plants,
Temperature,
Relative Humidity,
etc....
The more info the better mate.
P.S.- As Jimi pointed out, they do look pretty young to be in flower, unless they're 12/12 from seed or a clone in a SOG. Either or?