---
title: Why do some women experience mood changes linked to their menstrual cycle?
description: Evidence shows these women have normal hormone levels but heightened sensitivity in their brains and cells to hormone changes. This explains PMDD and some pos
url: https://niyora.com/research/papers/not-broken-just-sensitive-a-systematic-review-of-hormones-mood-and-the-female-2026/
---

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- Why do some women experience mood changes linked to their menstrual cycle?

Systematic review, 2026

# Why do some women experience mood changes linked to their menstrual cycle?

Evidence shows these women have normal hormone levels but heightened sensitivity in their brains and cells to hormone changes. This explains PMDD and some postpartum and perimenopausal mood problems, and has led to new treatments.

 Strong study design

Women across the reproductive lifespan

## What they did

Systematic review of PubMed and Google Scholar from inception to September 2026 examining how reproductive hormones affect mood, sleep, and thinking across a woman's life from period through menopause.

## What they found

Evidence from hormone-stopping and hormone add-back studies, research on brain chemistry (allopregnanolone and GABA-A receptors), and gene expression studies showed that affected women have normal hormone levels but altered brain and cell responses to hormonal changes. This explains premenstrual dysphoric disorder, some postpartum depression, and depression around menopause.

## What it means for you

This reframes PMDD and related conditions from being dismissed as emotional overreaction to a real biological condition based on how the brain responds to hormones. The authors warn against treating all difficult emotions as medical problems. This review covers a broad range of reproductive conditions.

## About the study

Original title Not Broken, Just Sensitive- A Systematic Review of Hormones, Mood and the Female Mind Across the Reproductive Lifespan Authors Arijit Mazumdar Journal Natural Resources for Human Health Year 2026 Study design Systematic review What was tested None Read the paper [doi.org/10.53365/nrfhh.2310](https://doi.org/10.53365/nrfhh.2310)

## Topics

[Premenstrual syndrome (PMS)](https://niyora.com/research/topics/condition-pms/)[Premenstrual dysphoric disorder (PMDD)](https://niyora.com/research/topics/condition-pmdd/)[Menstrual cycle and mood](https://niyora.com/research/topics/condition-cycle-mood/)[Reproductive hormone sensitivity](https://niyora.com/research/topics/condition-hormone-sensitivity/)[Low mood and depression](https://niyora.com/research/topics/symptom-depression-mood/)[Neurosteroids (allopregnanolone)](https://niyora.com/research/topics/treatment-neurosteroids/)[Perimenopause and menopause](https://niyora.com/research/topics/comorbidity-perimenopause/)[Pregnancy and postpartum](https://niyora.com/research/topics/comorbidity-postpartum/)[Work and productivity](https://niyora.com/research/topics/life-area-work/)

Research tells you what helps on average. Niyora helps on the day it hits.

Calm down, see it another way, and decide what to say, with a PMS and PMDD app built by a doctor.

## Related studies

Review, 2016

How do reproductive hormones affect mood and behavior in women?

Review, 2012

Is depression linked to hormonal changes during the menstrual cycle, pregnancy, and menopause?

Systematic review, 2021

Are there hormone changes that could explain PMDD or depression in women?

Survey study, 2026

Does a history of mood problems with your period predict depression during menopause?

Study, 2025

Can blood markers that predict depression after childbirth also predict PMDD?

Systematic review, 2026

Does childhood trauma increase the risk for PMS, PMDD, and related mood disorders?

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