What Your Period Blood Is Trying to Tell You

Written By Her Biology

Each month, your period is more than just a bleed—it’s your body’s monthly report card, giving you insight into your hormone levels, circulation, nutrient status, and so much more.

How cool is that?

So… what should you actually be looking at?

The short answer: your blood.

The color, consistency, volume, and frequency of your period all reveal what’s happening internally. Let’s decode it together:


Bright Red Blood

  • Consistency: Like thin jelly

  • Length: 5–7 days

  • Frequency: Every 28–30 days

If this sounds like your typical bleed, congratulations! This is considered a healthy, balanced cycle with good uterine circulation and optimal hormone levels. Continue to do beautiful work by nourishing your body and managing stress gently.

Brown Blood

  • Consistency: Thin, streaky, sometimes sticky

  • Length: Varies

  • Frequency: Varies

Brown blood is old, oxidized blood, meaning it didn’t leave your uterus in the last cycle. This is often caused by:

  • Low progesterone levels

  • Poor circulation to the uterus

 Herbal Support:

  • Red raspberry leaf – tones the uterus

  • Dong quai – boosts uterine circulation

  • Red clover – supports blood building and hormone balance

 Topical Support:

  • Wild yam cream or evening primrose oil massaged over the pelvic region can help gently raise progesterone levels.

 Lifestyle Practices:

  • Lymphatic drainage massage

  • Daily joyful movement

  • Womb massage (especially in the follicular phase)

  • Castor oil packs on the lower abdomen 3-4 times a week

  • Stress relief practices like:

    • Journaling

    • Breathwork

    • Yin or Yoga Nidra

 Dietary Suggestions:

To support progesterone:

  • Chickpeas

  • Tuna

  • Turkey

  • Sunflower seeds

  • Bananas

To increase circulation:

  • Beets

  • Dark berries

  • Turmeric (with black pepper)

  • Garlic

  • Ginger

  • Cinnamon

Dark Purple or Blue-Toned Blood

  • Consistency: Thick, often with clots

  • Length: Often longer than a week

  • Frequency: Varies

This deep blackberry-colored blood, especially if accompanied by clots, is a sign of estrogen dominance, when estrogen levels are too high in relation to progesterone.

Prolonged excess estrogen can contribute to:

  • Fibroids

  • Cysts

  • Endometriosis

  • Heavy or painful periods

 Herbs to Support Hormone Balance:

  • Vitex (Chaste Tree Berry) – supports progesterone production

  • Black cohosh – helps modulate estrogen levels

  • Milk thistle – supports liver detox (which helps process excess estrogen)

  • Dong quai – nourishes blood and regulates flow

    Foods to Help Clear Estrogen Naturally:

  • Cruciferous vegetables (broccoli, cauliflower, kale, Brussels sprouts) – rich in compounds like DIM that help the liver break down estrogen

  • Flaxseeds – contain lignans that bind excess estrogen in the gut

  • Fermented foods (sauerkraut, kimchi, kefir) – support gut health for estrogen detox

  • Leafy greens – help alkalize the body and support liver health

  • Lemons and limes – aid in liver enzyme production and detoxification

  • Mushrooms (especially shiitake and maitake) – help inhibit aromatase, an enzyme that increases estrogen

  • Green tea – antioxidant-rich and supports hormone balance


Your period isn’t just a nuisance or a monthly inconvenience; it’s a sacred message from your body. When you slow down and listen, it can tell you exactly where you need more nourishment, rest, or support.

You don’t have to guess or feel in the dark—your womb knows. And each cycle is a chance to get more in sync.

Ready to take your cycle healing deeper?

This is exactly what we guide you through in the HerBiology community—with herbal tools, cycle syncing, and rituals to help you reconnect with your natural rhythm.




 Nature knows. You remember. We guide.





Her Biology
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Sex and Your Cycle