I think I'm pregnant

⭐️MerFerret⭐️ • 👼🏼👼🏼👼🏼 • Beagle mama • Lupus & Fibro • 🏳️‍🌈 bi
I've had cramping in my tummy suspected 5-6 days DPO. I didn't use OPK so that's an estimate from my fertile signs. I've never had cramping at times other than my period but I still have about 10 days until AF is expected to arrive. Could this be it? No other symptoms... But the cramping feels weird, like my uterus has a big weight in it that's pushing it down and stretching it out. Feels a tiny bit more intense on the right side.
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Can you sometimes feel implantation? Or is this the stretching cramps I hear about for early pregnancy? I've never felt this before...
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Anyone used clinical guard pregnancy test strips? They have some great reviews and are cheap. I've been wanting to stock up on some reliable tests that you can use early (before AF). I've been getting $tree tests before with my past "scares"