pains...help please!

hi :-)

I've had pain in my right buttock now for over a week, it hurts when I walk, sit and lie down. I can't seem to get comfortable. I went to see my doctor and he didnt have a clue. I suffer with sciatica however this feels nothing like sciatica!! I'm 9weeks tomorrow and just want to have a good pregnancy. any advice/tips on how I could ease the pain would be great thank you :-)