has this happened to anyone else??

Christina • marine wife|| kingdom minded|| dog mama|| hopeful baby mama
So I've been taking preggo tests the past two days and have been getting the faintest positive lines. But I'm still not sure so I will digitally test again in a few days but my question is, has anyone else in the early weeks of pregnancy had their uterus feel weird so to speak? Like mild cramping? Implantation possibly? I've had spotting twice but both times we're during sex which never happens. And a few other symptoms. But my period has always be irregular so I can't go by that. Help!!!!