20 weeks and small pain in lower abdomen?

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Hey ladies!
  
I see my OB on Friday, so I will ask her then, but I thought I would see if any of you ladies are experiencing this.
  
I'm 20w2d and since about week 14 I've been having the usual pulls and cramping from muscle stretching and whatnot, but the past few days I've been having a sharper pain in the area where I believe my left ovary is. Its hard to tell if it's inside or out- not quite as sharp as a cyst feels if you've ever had one of those.
  
Should I write it off as just more round ligament pain or do you think it's something more? 
  
Thank you in advance!! 💕💕