Pregnancy

I got the copper IUD in February. My periods are always very consistent. December 4th-7th I bled really dark brown/black blood. It’s wasn’t super heavy but also wasn’t lite. I had to use a tampon. This is very unusual for me. My breast have been really sore, & I’ve just been really tired. I also got nauseous out of no where.

I took 3 test. The first one had a VERY faint line. I thought it could’ve just been an evap line. I took another one twos days later and it was negative and another two days later (today) which was negative. I’ve been having some slight cramps so I’m thinking my period might come.

My doctor asked me to go get lab work done on Monday but I have two toddlers and it’s almost impossible to go before the lab closes.

I’m not sure what I’m asking but I’m just wondering if I should just wait to see if my period comes.