am i leaking?

Madi • 15, teen momma❤️ Kaysen Grant 5/22/16💙👪
im 40+4 weeks today and all through the night when i'd wake up to go to the bathroom every time i'd sit up i'd feel a small gush of fluid- enough to make my underwear wet- but once i stood up, nothing. only when i sat up. it's definitely not pee and down there is really wet like with watery discharge.