An approach that works for real life ⊹ An approach that works for real life ⊹ An approach that works for real life ⊹ An approach that works for real life ⊹ An approach that works for real life ⊹ An approach that works for real life ⊹ An approach that works for real life ⊹ An approach that works for real life ⊹ An approach that works for real life ⊹ An approach that works for real life ⊹ An approach that works for real life ⊹ An approach that works for real life ⊹ An approach that works for real life ⊹ An approach that works for real life ⊹ An approach that works for real life ⊹ An approach that works for real life

The Blog

Expert Nutrition & Women’s Health Insights

Science-Backed Nutrition Advice Without the Guilt or Confusion

Why Stress Messes With Your Period (and Your Digestion Too)

November 03, 20253 min read

Ever noticed your period arrives late after a stressful month? Or that cramps feel worse when you’re run down? Maybe your gut also plays up - with bloating, constipation, or urgent trips to the loo.

It’s not a coincidence. Stress doesn’t just affect your mind - it directly impacts your hormones and your digestion. Here’s how they’re connected, and what you can do about it.

How Stress Affects Hormones

When your body is under pressure, it prioritises survival. Cortisol - your main stress hormone - takes centre stage. But when cortisol stays high for too long, it interferes with your sex hormones.

  • Periods may arrive late, become irregular, or even stop.

  • PMS symptoms (like mood swings, sore breasts, and cramps) can worsen.

  • Energy, focus, and sleep quality often decline.

Your body is essentially saying: “This isn’t a safe time for reproduction.”

For women in perimenopause or those with PCOS, stress can make these hormonal shifts even more unpredictable - amplifying symptoms like fatigue, bloating, and anxiety.

How Stress Impacts Gut Health

Stress also disrupts the delicate balance in your gut:

⚡ Digestion slows down, leading to constipation and bloating.
⚡ Gut sensitivity increases, so cramps and discomfort feel worse.
⚡ Microbiome balance shifts, reducing beneficial bacteria that support mood and immunity.

This is why so many women notice IBS-like symptoms that flare with stress - even when their diet hasn’t changed.

The Gut–Hormone Connection

Your gut and hormones are in constant conversation.

  • Oestrogen and progesterone affect how quickly food moves through your gut.

  • Gut bacteria help metabolise and recycle hormones, particularly oestrogen. When the microbiome is imbalanced, your hormones feel it too.

This two-way street explains why stress can trigger both digestive changes and cycle disruptions.

If you’ve noticed your cycle and digestion both shift during stressful times, know you’re not alone - and support is available.


👉 Book a
free 15-minute call here to start untangling your symptoms.

What You Can Do

The good news: you don’t need an overhaul. Small, consistent habits make the biggest difference.

  1. Support your nervous system: daily walks, deep breathing, yoga, or journalling calm cortisol and restore balance.

  2. Prioritise nutrition: include protein with every meal, fibre from plants, and magnesium-rich foods like leafy greens, nuts, and seeds.

    Example: Breakfast could be eggs with spinach and avocado — combining protein, fibre, magnesium, and B vitamins to support both hormone and nervous system health.

  3. Track your cycle and gut symptoms: patterns help you advocate for yourself and guide testing or support if needed.

Final Thoughts

If your periods and digestion feel worse under stress, you’re not imagining it. Stress hormones, sex hormones, and your gut are deeply connected - and once you learn how to calm that system, your body starts to find its rhythm again.

✨ Ready for personalised support? Book your free 15-minute call today and let’s start restoring balance together.

FAQ

Can stress delay my period?
Yes — cortisol can suppress ovulation, leading to late or missed periods.

Why do I get bloated before my period?
Hormonal shifts slow gut motility and increase water retention.

Can stress cause heavier bleeding?
In some women, stress-related hormone imbalances can make periods heavier or more painful.

What nutrients support both hormones and gut health?
Protein, fibre, magnesium, and B vitamins are especially helpful.

Melanie Lansdown is a Clinical Nutritionist (Bachelor of Health Science, Nutritional Medicine) specialising in women’s hormone health, fatigue, and stress resilience. She helps women rebuild energy, balance hormones, and restore calm using nutrition, nervous system support, and sustainable lifestyle shifts.

Based in Canberra and working online across Australia, Melanie supports women navigating perimenopause, hypothyroidism, Hashimoto’s, gut health challenges, and burnout. Blending science with softness, her root-cause approach empowers women to feel like themselves again.

Melanie Lansdown

Melanie Lansdown is a Clinical Nutritionist (Bachelor of Health Science, Nutritional Medicine) specialising in women’s hormone health, fatigue, and stress resilience. She helps women rebuild energy, balance hormones, and restore calm using nutrition, nervous system support, and sustainable lifestyle shifts. Based in Canberra and working online across Australia, Melanie supports women navigating perimenopause, hypothyroidism, Hashimoto’s, gut health challenges, and burnout. Blending science with softness, her root-cause approach empowers women to feel like themselves again.

Instagram logo icon
Back to Blog

Newsletters

Don't miss out on the latest happenings!

Subscribe to my newsletter.

Free Resource

Feel Energised from the Moment You Wake

A free morning reset guide for women ready to break the cycle of fatigue.

Discover how to fuel your body and calm your nervous system, without fasting, restriction, or overwhelm.

An approach that works for real life ⊹ An approach that works for real life ⊹ An approach that works for real life ⊹ An approach that works for real life ⊹ An approach that works for real life ⊹ An approach that works for real life ⊹ An approach that works for real life ⊹ An approach that works for real life ⊹ An approach that works for real life ⊹ An approach that works for real life ⊹ An approach that works for real life ⊹ An approach that works for real life ⊹ An approach that works for real life ⊹ An approach that works for real life ⊹ An approach that works for real life ⊹ An approach that works for real life

© 2025 Melanie Lansdown Nutrition.

Privacy Policy | Terms and Conditions

Holistic Nutrition for Women’s Health

Helping women reclaim their energy, balance their hormones, and take control of their health with a realistic, evidence-based approach to nutrition and well-being. No extreme diets. No quick fixes. Just sustainable, personalised solutions that fit your life.

EXPLORE

Connect

Email: [email protected]

Online consultations available Australia-wide

Medical disclaimer

The information found on melanielansdown.com.au or any of its media platforms is intended for informational and educational purposes only. Any statements made on these platforms are not intended to diagnose, cure, treat or prevent any disease or illness. Please consult with your medical practitioner before making any changes to your current diet and lifestyle. Full Terms Here

Acknowledgement of country

I acknowledge the First Traditional Owners of Country throughout Australia and the Ngunnawal people, the First Peoples of Canberra where I live and work and recognise the continuing connection to lands, waters and communities. I pay my respect to Aboriginal & Torres Strait Islander cultures: and to Elders past and present.