Vaginal pain???

Anyone else have vaginal & pelvic pain? Like a sore feeling?? But only after being relaxed?? Like let’s say your laying in bed & you get up but can’t really move because your vagina & pelvic area is hurting?? Btw I’m 31 weeks been feeling the pain since 27 week but has gotten stronger as the weeks go by. My doctor says it’s my body getting ready to have the baby but I think other wise because my friend is also pregnant she a month a ahead of me & she hasn’t felt like this.... helpppp