Maybe it's just the implantation and uterus stretching? I wouldn't worry too much unless you start bleeding heavy. I've been cramping a lot as well but my back and hip problems are a result from having my first baby in August last year. Good luck and congrats and let us know, if anything.
Like everyone else has said, cramps and back/hip pain are pretty common in pregnancy. With my first pregnancy, I also had cramps and lower back pain from very early on. The cramps are your uterus stretching. I believe that cramps are usually only a sign of miscarriage if accompanied by bleeding. But if you are worried check with your OB - it never hurts to be reassured.
Absolutely normal in early pregnancy. The cramps are just from your uterus stretching and the hip and back pain is from the hormones loosening up your ligaments. My back pain seems to have reduced but my cramps are still strong-even feel like I'm getting Braxton hicks (I got them pretty early with my daughter too). As nola0805 says, go to Docs if you a worried.
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