Girls, hi! Today it's 40.3. First pregnancy. The little one is pushing…

Girls, hi! Today it's 40.3. First pregnancy. The little one is pushing hard, at the same time pressing on the vulva, and there's a feeling that water is leaking or is this discharge? Just not any color or smell, like water, well, just drops on underwear, how can I determine? The plug hasn't come out yet.