Can your period be blue?
Emma Miller
Updated on March 03, 2026
Blood that is dark purple or blue in color generally indicates high estrogen levels. In addition to its dark color, purple or blue blood usually also contains clots and lasts longer than a week. If left untreated, high estrogen levels can lead to the development of endometriosis, fibroids, or ovarian cysts.
What does the Colour of your period mean?
Healthy period blood typically varies from bright red to dark brown or black. Blood or discharge that is orange or grey may indicate an infection.Why is my blood purple?
The colors of arterial and venous blood are different. Oxygenated (arterial) blood is bright red, while dexoygenated (venous) blood is dark reddish-purple.What if period blood turns green?
Greyish/greenish looking menstrual blood could be the sign of an infection. If you are excreting grey period blood then it may be a sign of bacterial vaginosis.Can period blood be any color?
The color of period blood can change during the same period cycle as well. For example, it can start out bright red in the beginning and change to a rusty brown at the end of the cycle. It can even start as brown in the beginning and turn redder towards the end of your period.What Does Your Period Color Mean? | Period Doctor Reacts to TikToks | Seventeen
Does the human body have blue blood?
Sometimes blood can look blue through our skin. Maybe you've heard that blood is blue in our veins because when headed back to the lungs, it lacks oxygen. But this is wrong; human blood is never blue. The bluish color of veins is only an optical illusion.Why is my period blood GREY?
6. Grey. Grey period blood is usually a sign of an infection, like bacterial vaginosis. 'It may be harder to identify this blood colour, so I would recommend you look out for other signs of infection, such as a foul-smelling vaginal odour, a burning sensation when you pee and itching in and around the vagina.What does blue period blood mean?
Blood that is dark purple or blue in color generally indicates high estrogen levels. In addition to its dark color, purple or blue blood usually also contains clots and lasts longer than a week. If left untreated, high estrogen levels can lead to the development of endometriosis, fibroids, or ovarian cysts.Is purple period blood normal?
Is Purple Period Blood Normal? It can be. If you have purple period blood, it doesn't necessarily mean your body is making too much estrogen. Most people who experience dark purple or blue period blood only see it for a few hours during their entire period or may find traces of it on a pad.Can sharks smell my period?
A shark's sense of smell is powerful – it allows them to find prey from hundreds of yards away. Menstrual blood in the water could be detected by a shark, just like any urine or other bodily fluids. However, there is no positive evidence that menstruation is a factor in shark attacks.Why am I bleeding purple out of my vagina?
Dark Purple or Blue Period BloodIf you're seeing dark, clotted blood in your panties, you may have too much estrogen in your system. Don't hit the panic button — this is another off color that can be fixed with dietary adjustments. What to do: You can help fix blue/purple period blood by eating fiber on the daily.
What are the different colors of periods?
Period blood commonly takes on these different colors:
- Pink period. When a period starts, your vaginal mucus discharge may mix with some fresh, bright red blood, which then gets diluted. ...
- Bright red period. As your uterus actively contracts, it sheds blood quickly. ...
- Dark red period. ...
- Dark red + blood clots. ...
- Brown period.