Hi!
It is quite common for fibroids to recur, or for new ones to appear.
The fibroid that you mention is quite small. It is unlikely to cause problems with fertility unless it is distorting the cavity of the uterus (endometrium) OR blocking a tube.
If I were your doctor, I would probably recommend observation at this point, and no further surgery.
There really are no good medications to prevent fibroids. If fibroids cause symptoms such as pressure, bleeding, pain, they can sometimes be treated with medications such as oral contraceptives or Depot Lupron.
If there are no symptoms, I would probably not recommend medication either at this point.
Hope this helps!
Dr B