Soreness

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So I'm having some soreness in my uterine area. Doesn't feel like my bladder. I'm 7mo pp and had my first period a few weeks ago.

I'm gonna take a pregnancy test but I dont feel like I did with previous pregnancies.

I feel sore and a little bloated like you do just before a period starting so at first I thought that was what it was but no period yet.

Anyone else ever experience this?