Help please..

Ok so this is weird, but I'm 26 weeks and for several weeks have been having severe pain in my vagina muscles. Like feels like I got kicked in the crotch or something. It started out just hurting when I changed position in bed or stood up but now it hurts so bad to walk a lot of the time even. Honestly feels like getting pulled apart. Anyone experience this and know what it is?? Thanks in advance for any help! 😊