12/31/2013- 6 weeks today! Ultrasound Is only 2 days away!

My heart was beating fast midday and I started to feel a lil light headed. It's still there but its subsided slightly.

Omg my feet are FREEZING! They have been cold the past couple nights but this is insane!  I have tube socks, 2 pairs of slipper socks on covered with actual slippers & the still feel like ice!

 Ok...I'm a lil freaked out. Not sure why but I started pushing on my lower abdomen when I was laying on the couch just now & noticed this hard lump that's maybe 2 inches long 1 by inch wide that is only on my left side. It runs down to just before my pubic bone. It's just off the side of my uterus. That whole side is actually a lil firmer when I feel up to my hip bone. The other side is completely soft & normal. It doesn't hurt but I'm wondering what this hard lump is!