Is it normal to have blood spots during pregnancy?

It is possible that it could be implantation bleeding caused by the fertilized egg to attach itself to the uterine wall. Or it could be a cervical change that can cause vaginal bleeding. Vaginal bleeding can also be a symptom of ectopic (tubal) pregnancy. Another cause for bleeding during pregnancy is a miscarriage although the first two reasons for bleeding are more common, it is still a good idea to contact your doctor as soon as you can.