Seeing a small dark red clot during the 6th week of pregnancy can be concerning, but it is not always a cause for alarm. It could be due to implantation bleeding or a harmless cervical irritation. However, it is important to consult your doctor immediately to rule out any potential complications. Your doctor may recommend bed rest as a precautionary measure to ensure the well-being of both you and your baby. It is crucial to follow their advice and take proper care during this time.