Please help! Light spotting

Kaleigh • Met my love 1.5.10💕Got married 5.31.14💍Expecting baby girl 6.15.15 👶
I'm only about 4 weeks pregnant and this morning I had some light spotting, like a med to dark red, just when I wiped. No cramps no pain, kinda freaking out. Took another HPT and line was darker then ever. Is this normal??