Thursday, 26 February 2026

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Menstrual Blood Contains Over 1,000 Proteins — And Hundreds Linked to Healing

For decades, menstrual blood was largely dismissed as biological waste. But modern science is now revealing something remarkable:

It may be one of the most biologically powerful fluids produced by the human body.

Researchers studying menstrual fluid have identified 1,061 different proteins, a number that rivals many other bodily tissues. Even more striking, around 385 of these proteins are completely unique — not found in circulating blood or vaginal fluid.  

This discovery is transforming how scientists view menstruation — not as waste, but as a window into regeneration, healing, and immune repair.

Not Just Blood — A Regenerative Cocktail

Menstrual fluid is very different from regular blood.

It contains:

Shed endometrial tissue

Immune cells

Stem-like cells

Growth factors

Tissue-remodelling enzymes

Proteomic analysis shows these unique proteins are involved in biological processes such as:

Cell growth and migration

Tissue repair

Immune regulation

Reproductive regeneration

Hematopoiesis (blood formation)  

In simple terms, the same biological tools used by the body to rebuild the uterine lining every month are present inside menstrual fluid.

And the uterus is one of the fastest-healing tissues in the human body.

A Built-In Healing System

Scientists believe many of the 385 unique proteins are linked to the natural regenerative cycle of the endometrium — the lining of the womb that grows and sheds each month.

Some of these proteins are associated with:

Tissue rebuilding

Cellular turnover

Inflammation control

Structural repair

Studies have also shown menstrual fluid contains bioactive molecules that may enhance wound healing, including proteins capable of improving skin repair in laboratory research.  

Additionally, menstrual blood has been found to contain antibacterial peptides, fragments of haemoglobin that can kill harmful bacteria such as E. coli.  

This suggests menstrual fluid plays a protective role — helping prevent infection during the shedding process.

Why These Proteins Matter

The presence of these 385 unique proteins suggests that menstruation is not simply a shedding process — it is part of a sophisticated cycle of breakdown and renewal.

The uterus must:

1. Break down tissue

2. Prevent infection

3. Control inflammation

4. Rebuild itself — rapidly and repeatedly

The proteins involved reflect this regenerative environment.

Because of this, scientists are now exploring menstrual blood for potential medical uses, including:

Regenerative medicine

Wound healing therapies

Fertility diagnostics

Immune system research  

Its accessibility also makes it an appealing non-invasive biological source for studying reproductive health.

Changing Scientific Perception

Historically overlooked, menstrual blood is now being recognised as a complex biological material that may offer insights into how the body heals itself.

Rather than being medically irrelevant, research suggests it could help scientists understand:

Tissue regeneration

Scar-free healing

Immune balance

And potentially lead to future therapies.

The Bigger Picture

The discovery of over 1,000 proteins — including hundreds unique to menstrual fluid — highlights a growing shift in medical science:

Natural biological processes once considered routine or insignificant may hold answers to some of medicine’s biggest challenges.

Menstrual blood, it turns out, is not just part of a monthly cycle 

it may be a blueprint for regeneration.

Attached is a news article regarding menstrual blood has health properties like proteins and regeneration and healing 

https://theconversation.com/menstrual-blood-is-being-used-to-research-a-range-of-health-conditions-from-endometriosis-to-diabetes-and-cancer-253384

Article written and configured by Christopher Stanley 


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