Did anyone get AF early with Clomid?

Barbara • Trying for baby #1! Married summer of 2014 and started TTC March 2015.
Hello Ladies! 
I'm on my first round of Clomid (cd 5-9) and I'm currently 11 DPO. I started spotting 9 DPO but my period isn't supposed to start until Monday or Tuesday. Did Clomid make your period come early? 
Any info is appreciated! Thank you!