Reasons for Vaginal spotting or bleeding during pregnancyDuring pregnancy many women found spotting or bleeding. During initial stages of pregnancy vaginal spotting is common in many women. It is light bleeding or spotting from vagina. It is not like heavy bleeding same as your menstrual periods. It becomes red or brown color. There are various reasons for vaginal bleeding. Many women found continue vaginal spotting in the first few months of pregnancy. Vaginal spotting can occur some time during the first trimester of pregnancy. It is not a major reason for concern if it is not very heavy like periods. You should concern if it occurs during second or third trimester of pregnancy. If you find bleeding during this period, it might be harmful for your pregnancy and you should immediately contact your doctor without any delay.