Yes, generally speaking, the dark circles under eyes during the pregnancy is very normal for many people.And the extent of this symptom various from person to person. The essence of this problem is just owing to the increasing of pigmentation.Deeply being lost in sombre spirits,being short of enough rest as well as overusing of eyes,all these aggravate the condition.There are some suggestions to help you find a way out of this difficult position.Press a warm towel on your eyes for a few minutes everyday before sleep,have a good rest,besides,get away from cosmetics as far as possible.Persis in and you will see changes soon.