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The Period Brain: The New Science of Why We PMS and How to Fix It: A Manifesto for Women – An Expert Roadmap to the Luteal Phase and Progesterone

$66.75

Dresses Size Chart

Dress Size Chart (Inch)
DRESSES
SIZE IN INCHES
SIZE US / CAN BUST WAIST HIPS
XS 0 31"-32" 24"-25" 34"-35"
S 2-4 33"-34" 26"-27" 36"-37"
M 6-8 35"-36" 28"-29" 38"-39"
L 10-12 37"-39" 30"-32" 40"-42"
XL 14 40"-42" 33"-35" 43"-45"
Dress Size Chart (cm)
DRESSES
SIZE IN CM
SIZE US / CAN BUST WAIST HIPS
XS 0 78.7-81.2 60.9-63.5 86.3-88.9
S 2-4 83.8-86.3 66-68.5 91.4-93.9
M 6-8 88.9-91.4 71.1-73.6 96.5-99
L 10-12 93.9-99 76.2-81.2 101.6-106.6
XL 14 101.6-106.6 81.2-88.9 109.2-114.3

Swimwear Size Chart

Dress Size Chart (Inch)
SWIMWEAR
SIZE IN INCHES
SIZE US / CAN BUST WAIST HIPS
XS 0 31"-32" 24"-25" 33"-34"
S 2 33"-34" 26"-27" 35"-37"
M 4 35"-36" 28"-29" 37"-38"
L 6 37"-39" 30"-32" 39"-41"
XL 8 40"-42" 33"-35" 42"-44"

Shoes Size Chart

US EURO UK AUS JAPAN CHINA
5 35-36 3 3.5 21.5 35
5.5 36 3.5 4 22 35.5
6 36-37 4 4.5 22.5 36
6.5 37 4.5 5 23 36.5
7 37-38 5 5.5 23.5 37
7.5 38 5.5 6 24 37.5
8 38-39 6 6.5 24.5 38
8.5 39 6.5 7 25 38.5
9 39-40 7 7.5 25.5 39
9.5 40 7.5 8 26 39.5
10 40-41 8 8.5 26.5 40
11 41-42 9 9.5 27.5 41

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Approved Return Address
Fullfillonus #1202
1128 Lexington Ave, Bldg 4 E
Rochester, New York 14606
United States
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The Period Brain: The New Science of Why We PMS and How to Fix It: A Manifesto for Women – An Expert Roadmap to the Luteal Phase and Progesterone

The Period Brain: The New Science of Why We PMS and How to Fix It: A Manifesto for Women – An Expert Roadmap to the Luteal Phase and Progesterone

$66.75

What This Book Offers

The Period Brain offers readers a novel scientific take on premenstrual syndrome (PMS) and how to manage it. Presented as a manifesto for women, it serves as a call to action for improved menstrual health awareness. The book lays out an expert roadmap through the luteal phase and the role of progesterone, merging neuroscience and endocrinology research. Expect evidence-based insights that focus on understanding the underlying mechanisms rather than offering one-size-fits-all advice. While not prescribing specific supplements, the book may touch on nutritional and lifestyle strategies to support hormonal balance during the luteal phase, drawing on current scientific literature.

Target Audience

Geared toward women who experience PMS or wish to better understand their menstrual cycle, this book also appeals to healthcare professionals wanting a deeper grasp of hormonal impacts on mood and behaviour. Its blend of accessible language and scientific rigour makes it suitable for both newcomers to endocrinology and those seeking an in-depth exploration. By demystifying the stigma surrounding menstrual health, it lays a foundation for informed discussions about women's health.

Overview of the Endocrine System and Menstrual Cycle

The endocrine system comprises a network of glands that produce and release hormones, regulating everything from metabolism to mood. In women, the menstrual cycle serves as a key endocrine event, driven by fluctuations in estrogen and progesterone. The luteal phase—the second half of the cycle—is dominated by progesterone, which prepares the body for pregnancy. When this phase is disrupted, it can lead to PMS and other symptoms. The Period Brain explores the science behind these hormonal changes, helping readers see how the endocrine system influences brain function and behaviour across the month. It offers a comprehensive guide to the luteal phase and progesterone's role, grounded in current research.

Key Concepts: PMS and Progesterone

PMS is a widespread condition that affects many women during the luteal phase, with symptoms such as mood swings, irritability, fatigue, bloating, and physical discomfort. The book investigates how progesterone and its metabolites interact with brain chemistry, potentially triggering these symptoms. It distinguishes between normal cycle variations and more serious conditions like premenstrual dysphoric disorder (PMDD). By highlighting the biological underpinnings, it helps women comprehend their experiences and seek proper support. The content stresses that PMS has physiological roots, not just psychological ones, empowering women to take proactive measures for their well-being.

Frequently Asked Questions

Is this book intended only for women with severe PMS?

Not at all. It is for anyone wishing to deepen their understanding of the menstrual cycle, regardless of symptom severity. The science is relevant to all.

Does the book provide supplement recommendations?

While the book centres on neuroscientific foundations, it may address nutritional and lifestyle strategies that support hormonal balance during the luteal phase. Readers will find evidence-informed insights without overly prescriptive guidance.

Is the content research-backed?

Yes, the book draws on current scientific studies, making it a credible resource for understanding PMS and progesterone's role in the brain.

Important Information

Things You Need to Know

Your payment and personal information are protected using industry-standard SSL encryption, and all payments are securely processed through Shopify-approved payment providers. Prices are displayed in Canadian dollars, and applicable taxes are calculated at checkout.

Orders are generally processed within 1–3 business days. Standard delivery to Canada usually takes 5–15 business days after dispatch. Delivery times are estimates and may be affected by carrier delays, customs processing, weather conditions or other circumstances outside our control. Tracking information will be provided when available.

Return requests must be submitted within 30 days of delivery. Vitamins, supplements and health products must be unused, unopened, sealed and returned in their original packaging. Opened products cannot be returned unless they were delivered damaged, defective or incorrect.

Customers are responsible for return shipping costs for unwanted or change-of-mind returns, and a restocking fee of up to 20% may apply. Damaged, defective or incorrect items must be reported within 48 hours of delivery and may qualify for a replacement or full refund.

Refunds are issued to the original payment method after the returned item has been received and inspected. Refund processing may take up to 7 business days. Before returning any product, please contact our customer support team for return authorization. Returns sent without prior approval may be delayed or rejected.

Approved returns must be sent to:

Return Address Fullfillonus #1202
1128 Lexington Ave, Bldg 4 E
Rochester, New York 14606
United States

Refused or unclaimed shipments may only be refunded after they are returned and inspected. Original shipping charges, return shipping costs, customs fees and carrier charges may be deducted from the refund where applicable.

Vitamin4CA.com is operated by Cloverlight LLC.

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