Quoting Addisons mama :" I'm not sure if this is going to make sense but here it goes. My right ovary is throbbing right now and ... [snip!] ... all day but now that I'm laying down it really hurts. It feels like its the size of a golf ball on the inside. It's killing me."Mine does it too. It happens when I ovulate. It's horrible. I have to take Tylenol to get it bearable.