What does dark red or brown period blood mean?

Answering the question "why is my period blood brown" 🤎

Quick summary 📝

1️⃣ Period blood isn’t always bright red. It can be dark red or brown, especially towards the end of your period

2️⃣ Doctors aren’t usually worried about colour, but big clots, very heavy bleeding or bleeding between periods are worth getting checked

3️⃣ If something feels off, see a doctor. Healthcare providers deal with this all the time, and getting checked is nothing to be ashamed of

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When we think of period blood colour, we picture bright red, but that’s not always the case! 

Many people notice dark red or brown period blood, and this is completely normal.

Why does period blood turn brown?

👉 Bright red blood is more common early on, when blood’s coming out quickly

👉 Brown blood usually shows up towards the end of your period

👉 That’s because it’s stayed in your body longer, so it oxidises (reacts with oxygen) and turns brown

Is brown period blood normal?

Yes! 

Brown, dark red, or rusty-coloured period blood is very common and nothing to worry about. 

When to check in with a doctor

Dark red or brown blood on its own isn’t usually anything to worry about.

Doctors are more interested in other changes to your period, like:

👉 Big clots: bigger than a 10p coin

👉 Heavy flow: soaking through a pad or tampon every hour, for 2 hours or more

👉 Cycle changes: periods coming a lot more or less often than usual, or lasting longer

👉 Bad cramps: pain that feels really severe

👉 Unexpected bleeding: between periods, or after sex

It’s also worth getting checked if your discharge changes colour, smell or texture, or if you feel itchy or sore down there.

Doctors see this stuff all the time, so there’s nothing to be embarrassed about 💙

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