What your period blood color can tell you

2

Dark red

Old blood that has stayed in your body for a while but did not oxidize enough (was exposed to oxygen) to become completely brown.

Can mean:

  • You are at the end of your period

  • You have a postpartum discharge (called Lochia)

Care level: Usually don’t worry

Dark brown

Old blood that has been in your body for some time and had a lot of time to oxidize.

Can mean:

  • You are at the beginning or at the end of your period

  • You have a hormonal birth control

  • You are in perimenopause

  • You are pregnant and this is implantation bleeding

  • You have a postpartum discharge (called Lochia)

  • They had a “missed miscarriage” or an intake pregnancy

  • You have a state of health such as infection, fibroids or PCOs

Care level: Keep it in mind

Pink

Blood mixed with vaginal output. Can mean:

  • You are at the beginning of your period

  • You have a hormonal birth control

  • Your estrogen level is low

  • They are not in their period, but discover from ovulation or bleeding through sex

  • You have a miscarriage

Care level: Usually don’t worry

If you are not pregnant, in this case, contact your health service provider immediately

Bright red

Fresh blood that has not yet had time to be exposed to oxygen.

Can mean:

  • You are in the difficult part of your period

Care level: Usually don’t worry

Black

Very old blood that has remained in your body.

Can mean:

  • You are at the end of your period

  • You have a miscarriage

  • You have an object in your vagina

  • You may have a vaginal infection

Care level: Keep it in mind

If you believe that you are pregnant, have pregnancy symptoms or suspect that a foreign body is in your vagina, contact your health service provider immediately.

Orange

Blood mixed with vaginal output.

Can mean:

  • This may not be your period, but could be blood when unloading

  • You have an underlying infection such as bacterial vaginosis

  • You have a sexually transmitted infection

Concerns: Contact your health service provider

Gray

Blood mixed with vaginal output.

Can mean:

  • This may not be your period, but could be blood when unloading

  • You have an underlying infection such as bacterial vaginosis

  • You have a sexually transmitted infection

Concerns: Contact your health service provider

Green

Blood mixed with vaginal output.

Can mean:

  • This may not be your period, but could be blood when unloading

  • You have an underlying infection such as bacterial vaginosis

  • You have a sexually transmitted infection

Concerns: Contact your health service provider

Always contact your health service provider if you:

  • Have bleeding of all kinds during pregnancy

  • Blood or firmly between the periods

  • Bloods longer than 7 days

  • Soak more than every hour or two hours through a pad or tampon

  • Note a change in what is normal for you

  • Have pain or other symptoms in your bleeding

  • I went through the menopause and bleed any kind

  • Have gray discharge

  • Have cloaks that are larger than a quarter

  • Had not a period for 3 months or more

This educational resource was created with the support of Sumitomo Pharma, a healthy member of the company.

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