Pregnant? Help!

Emma

I got my period when expected. But it only lasted for one day. Which is normally does for four days.

It was a light pinkish when I wiped and had an egg like material in it which was brown.

Every since my nipples are sore I have been having these weird feeling in my uterus. Like flutters and other twinges.

My back has been killing me and smells have been a lot stronger to me. Could I test? I need help!