Ladies please help

Breanna • Taken by the best???
Okay me and my DH have been having unprotected sex for ever... but we have had sex every other day two days ago I had light pink spotting after we had sex and today I've been having cramping on my left side by my hip and I just went to the restroom and wiped and I had a clear light pink discharge me and my DH did have sex today but that was around 3 or so and it's now 9:30 could this be mid-cycle bleeding or should I take a test... (my fertile days just ended yesterday) I was puking earlier this week and I haven't really been eating much cause I'll puke please help kind of worried