I too had this news yesterday at my first scan. I was told that they would look at it again at my 20 week scan and that they are not too concerned at the moment because usually it will correct its self
I'm Pregnant And I Have Cyst On My Ovary I Have No Idea What That Is, Can You Help?
I got the same news at my first scan, they said they will keep a close eye on me as this is my second pregnancy and the cyst is bigger than my baby. I have been getting pain with mine at the moment, if you get pains go up to your local maternity ward and the will do some tests and should give you a scan.
A cyst is like a water balloon forming on your ovary. Your Dr will keep a close eye on it because you are pregnant. They want to avoid intervention because of your pregnancy.