Brown discharge during early pregnancy can be a common occurrence and is often nothing to worry about. It is usually caused by old blood that is being expelled from the uterus. This can happen as the body adjusts to the changes of pregnancy. However, if you are experiencing any other symptoms such as severe pain, heavy bleeding, or foul odor, it is important to consult your healthcare provider as these could be signs of a potential problem. It's always better to err on the side of caution and seek medical advice if you have any concerns.