Suggest Remedy For Pain In Vaqgina During Pregnancy

I'm 30 weeks pregnant with my second and i'm experiencing extreme shooting pains in my vagina area. I mostly happens when i'm walking or standing. I was just wondering if this is normal or should i see my doctor? I have 8 more weeks of work left until i'm on mat. leave, but i'm on my feet all day long, and don't know how i'll be able to work with this pain. Thank you for responding.