If you’re a PCOS 'cyster'—that’s the affectionate nickname many people with polycystic ovary syndrome use for themselves—you probably know all too well about the dreaded ‘PCOS belly’. It’s not a medical term, but it’s something many people with PCOS talk about: a bloated, stubborn tummy that can feel like a daily reminder your hormones aren’t quite playing ball.
In this blog, we’ll explain the so-called PCOS belly, why it happens, and what support’s available if it’s impacting your health, confidence, or fertility journey.
What is a PCOS belly?
PCOS belly typically refers to the weight gain or abdominal bloating many people experience with polycystic ovary syndrome. It’s usually most noticeable around the midsection—think soft, stubborn fat around the tummy that doesn’t shift easily, no matter how ‘healthy’ you eat or how active you are.
This isn’t about vanity. It’s about understanding your body and taking back a bit of control when things feel out of your hands.
Why does PCOS belly happen?
PCOS affects hormone levels—especially insulin and androgens (like testosterone). When insulin levels are too high (a condition called insulin resistance), it tells your body to store more fat, particularly around your stomach.
High androgen levels can also make it harder to build muscle and easier to gain weight. All of this together can contribute to a rounder tummy and other PCOS symptoms like fatigue, irregular periods, and changes to your skin and hair.
It’s not just about weight
We know it’s frustrating to feel like your body isn’t doing what it should, especially when it affects your confidence or fertility. But it’s important to remember that your weight is only one part of the picture. Many people with PCOS are a healthy weight and still experience symptoms—and others may be classed as ‘overweight’ and have no trouble at all getting pregnant.
If you are trying to conceive, weight loss (if advised by your doctor) can help regulate ovulation and improve treatment outcomes. But this doesn’t mean you have to aim for a specific body shape. The focus is always on helping you feel well and giving you the best chance of building your family.
What helps?
There’s no one-size-fits-all fix, but here are a few things that might make a difference:
Focus on blood sugar, not just caloriesA balanced diet with slow-release carbs (like oats, brown rice, or lentils), lean protein, and healthy fats can help stabilise your insulin levels. Think less “diet” and more about fuelling your body consistently throughout the day.
If you’re stuck for ideas, there are now lots of PCOS-specific recipe books on the market. They can be a helpful starting point, with practical tips and meal plans designed to keep your blood sugar steady while still making food enjoyable.
Gentle movement, oftenRegular movement—like walking, swimming, or strength training—can help improve insulin sensitivity. You don’t need to run marathons; just find something you enjoy and can stick with.
Prioritise sleep and stress managementHigh stress and poor sleep can affect cortisol (another hormone that likes to store fat around your belly). Try to build wind-down routines or carve out moments to switch off, even just for ten minutes a day.
Medical supportIf lifestyle changes aren’t cutting it, medication might help. Metformin (commonly used for type 2 diabetes) is sometimes prescribed to improve insulin sensitivity in PCOS. Speak with your GP or fertility specialist to find out what’s right for you.
We’re here if you’re ready for next steps
If PCOS belly is part of a wider fertility concern, we can help you explore your options. At Care Fertility, we start with fertility tests before your consultation, so our doctors can tailor advice to your body and your results. After your consultation, we’ll share a summary of your options—including a cost breakdown—via our secure treatment companion app. You’ll then complete viral screening blood tests and consent forms before moving on to treatment planning with one of our nurses.
Every step is supported. Every question is welcome.
Feeling overwhelmed? You’re not on your own
Living with PCOS isn’t always straightforward—but you’re not alone, and you don’t have to fight your body. Whether you’re just starting to explore your symptoms or you’re planning fertility treatment, there’s help available.
And if PCOS belly has you feeling fed up? It’s okay to feel that way. You deserve to feel comfortable in your body and supported in your choices.
Thinking about treatment?
Call us on 0800 564 2270 to speak with our friendly enquiry team and get your fertility tests booked in. We’ll take it from there.