Pain and cramping in upper thighs?? Labor??

I am 37 weeks pregnant, but i went to doctor today and measured 40 weeks, also the first day of last period was August 2nd?? but my doctor is going by my first ultrasound measurements?? I am having these cramping pains in my upper thighs and it's worse if i am walking or standing..i was dialated to a 1 and... show more I am 37 weeks pregnant, but i went to doctor today and measured 40 weeks, also the first day of last period was August 2nd?? but my doctor is going by my first ultrasound measurements??

I am having these cramping pains in my upper thighs and it's worse if i am walking or standing..i was dialated to a 1 and a half today the doctor told me, is this thigh pain labor? I have been have tightening contractions all day, but no tummy pain?? Help.. i feel so bad..

ps..i am on my aunts yahoo lol so its not her thats preggo
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