In the beginning of a period is it normal to have old blood that is brown and at the end of the period it is old blood that is brown?

Yes, it's totally normal to see brown blood at the beginning and end of your period! It's just older blood that's been hanging out a bit longer.

Okay, so when your period starts, the blood might take a little extra time to come out, especially if you were lying down. And if it moves super slowly, it gets exposed to air, which makes it turn brown. Same thing can happen at the end of your period. It's just your body cleaning up, and it's all good.

Seeing brown blood just means it's older blood. It's not a sign that anything is wrong, and you definitely don't need to worry about it. Just keep tracking your flow and how you're feeling, like you normally would. If you ever feel like your flow is super heavy or you have really bad pain, that's when it's good to talk to a trusted grown-up.