Is it normal for implantation blood to last up 6 days?

It's not considered normal for implantation bleeding to last up to 6 days. Implantation bleeding typically occurs within 10 to 14 days after conception and usually lasts for 1-2 days. If you have concerns about the duration or amount of bleeding you are experiencing, it's important to consult a doctor to determine the cause and ensure that everything is normal.