Possibly pregnant?

Renee • Im twentyone and got engaged about a year ago. My fiancé and I are hoping to get married soon and start a little family!
Hello my fellow glow users!
I'm having a little bit of an issue here. 
I'm about a week late (which is normal for me, my periods are always weird.) 
But I've been feeling rather...off. 
Today while at work I went to use the bathroom and noticed that I was I guess you could say spotting. 
I was noticed very light pink blood when I wiped and not a large amount, there was very little, that never happened to me before so I was pretty surprised and it stopped since I last checked a few hours ago. 
I've also been having slight pain in my lower back, mood swings, I've been extremely sensitive to everything emotionally, very hormonal, dizzy to the point I almost passed out, tired all the time, and just run down.
In not sure if those are symptoms of pregnancy or not, I not nauseous or constipated, nor am I sensitive to smells and my breath don't hurt and my nipples arnt darker. 
I can't think of what else to say currently, just curious at the moment. 
I'm going to make a doctors appointment very soon but are there any mommas out there that experienced this? Could I possibly be experiences early pregnancy symptoms? 
Thanks bunches to anyone that can help!