so all last night I was experiencing a really uncomfortable tight pressure in my stomach and down in…

so all last night I was experiencing a really uncomfortable tight pressure in my stomach and down in my vagina it happened like every 20ish min. and the pressure and tightness would last any where from 5-15 min. and still kinda happening now but I don't no what it is because I thought BH only lasted an hour or so then stopped. oh and I'm 25 weeks.