Looks female(ish), if balls show up (yeh they'll look like balls not hairs) then you got yourself a problem. You got a good while before there's any real danger if it is a male though *assuming you've got other plants to worry about
4 days into the flowering state to determine sex that is a bit too early. I believe the fastest I have determined sex would be about 10 days which never happened again lol. Average time for me is usually 2-3 weeks.
awww shit just saw you're from the 707. i'm down in the 310 but damnnn i miss it up there, was just back there last weekend wine tasting and hiking in the redwoods