Pain on lower left side of abdomin

Our new joy

I'm new to this site and I was wondering if any one could help me with a quick question this is my first child and I'm 12 weeks and 3 day along and I've started getting this sharp pain in my what I'm assuming is my ovary today. I have been constipated for a few days but have been able to go a little bit here and there but not much. Could it be a cyst? If so is it ok durring pregnancy? Or is it just from being constipated? 

Thank you very much in advance