Outdoor to Indoor with a 3 to 4 week old plant

Actually. Depending on your location and season. You may sex sooner outside. It is going into fall here. So the hours are naturally shortening. Oost a photo so we can see how big she is. And a good way to ‘test’ sex is to clone a branch. Then 12/12 it alone. So if she is big enough you can snip a clone. And after she roots put it outside to sex naturally. While allowing the majority of the plant to continue vegging under 18/6 inside