A fibroid is a benign tumor which originates from connective tissue. When it is located on the fundus of the uterus (the top part), it is called fundal fibroid.
Fibroids might vary in size. They usually do not affect pregnancy at all. Very large fibroids might affect fertility and be a reason for miscarriages. Usually women have their pregnancies without even being aware that fibroids are present.
You might want to visit a gynecologist and consult about the size of the fibroid and whether it should be removed. It is more likely that you would not be advised to remove the fibroid surgically.