What color is implantation bleeding?

Usually light pink or brown — older blood that has taken time to travel. Bright red blood is not typical of implantation bleeding.

How common is implantation bleeding?

Only about 15 to 25 percent of pregnant people experience it. Not seeing any spotting around implantation time is completely normal.

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TTC Basics · 3 min read · Due Team

How Long Does Implantation Bleeding Last?

Q: How long does implantation bleeding last?

Typically a few hours to two days. It stays light throughout and doesn't build into heavier flow. Bleeding that lasts longer or gets heavier is more likely a period or something else.

Implantation bleeding is brief by nature. Here's what typical looks like, and how to tell it apart from the start of your period.

Medical Disclaimer: This guide explains common TTC and early pregnancy patterns. It is for general information only and not medical advice. For urgent concerns, contact your healthcare provider.

Implantation bleeding, when it occurs, is one of the shortest and lightest bleeds you'll experience. Its brevity is actually one of the main ways to distinguish it from a period.

What implantation bleeding typically looks like

Duration: A few hours to 2 days. Rarely longer.
Color: Pink or light brown. Not bright red.
Flow: Spotting only — light enough that a pantyliner handles it comfortably.
Timing: Usually 6 to 12 DPO, roughly a week before an expected period.

How it differs from a period

Periods typically start light, build to heavier flow, and then taper. Implantation bleeding doesn't build — it stays light throughout and stops on its own. Bright red blood that increases in flow is not implantation bleeding.

Not everyone experiences it

Studies suggest only around 15 to 25 percent of pregnant people experience implantation bleeding. If you don't see any spotting around implantation time, that's entirely normal and doesn't affect your chances of conception.

When spotting isn't implantation bleeding

Spotting can have other causes — cervical irritation, hormonal fluctuation, or the start of a period. The timing and appearance matter. Spotting that starts close to when your period is due and gets heavier is more likely your period beginning. Spotting that stays light and stops within a day or two, a week before your period, is more consistent with implantation.

The bottom line

Implantation bleeding typically lasts a few hours to two days, stays light pink or brown, and doesn't build into heavier flow. A positive pregnancy test is the only way to confirm what the spotting was.

Want personalized guidance?

Chat with Due for a breakdown based on your specific spotting pattern and cycle timing.

Chat with Due

Want personalized guidance? Chat with Due for a breakdown based on your specific situation.