What is PCOS? Hormones, Nutrition, and Symptoms Explained

Woman with PCOS holding stomach showing hormone symptoms

By Clinical Dietitian

PCOS (Polycystic Ovary Syndrome) is a very common and multifactorial hormonal disorder which effects estimated 10-13% of women of reproductive age. According to the World Health Organization (WHO), up to 70% of women worldwide with PCOS do not know they have this condition. This condition is characterized by higher androgen levels, which cause amenorrhea or other menstrual irregularities, anovulation, enlarged ovaries with multiple cysts, infertility IN WOMEN.

More generalized symptoms include 

  • Irregular or missed periods
  • Insulin resistance 
  • Acne or Oily Skin
  • Hirsutism (excessive abnormal distribution of hair growth) 
  • Male-pattern baldness
  • Weight gain
  • Sleep apnea
  • Cravings or blood sugar fluctuations
  • Bloating or Water retention

The Actual Science Behind PCOS:

A very common misunderstanding regarding PCOS is that it only effects ovaries. In real, PCOS involves the connection between following bodily systems

  • Hormones
  • Insulin Response
  • Inflammation Pathways
  • Stress response
  • Metabolism

Connection between Insulin Resistance and PCOS:

Many women with PCOS all around the world experience Insulin Resistance. It occurs when insulin, the hormone responsible for transferring glucose into cells for energy utilization, becomes ineffective, increasing blood sugar levels. Increased insulin levels may inhibit aromatase, stimulating the ovaries to generate increased amounts of androgens, often referred to as “male hormones”, which may result in acne, irregular menstrual cycles, and changes in hair growth. According to research done on PCOS in Monash University, hyperinsulinemia resulting from insulin resistance decreases the production of hepatic sex hormone binding globulin (SHBG), resulting in high serum free testosterone levels. The insulin resistance usually seen in 50% to 70% of women with PCOS is unique in a way that it occurs independently of body weight, and is not always corrected by only losing weight. 

Studies suggest that higher insulin levels influence:

  • Hormone production
  • Ovulation patterns
  • Cravings and appetite
  • Fat storage
  • Inflammation
PCOS patient checking blood sugar level to manage insulin resistance

Constant Bloating in PCOS:

Many women with PCOS worldwide often describe the feeling of waking up swollen, puffiness, feeling tight after meals, or water retention. It is one of the most discussed topics, and even overlooked. Often, women feel the bloating shift throughout the menstrual cycle. Sometimes the bloating won’t even go away after balanced meals. This frustrates them emotionally. Multiple studies suggest that inflammation, insulin resistance, hormones, digestion, sleep quality, and even stress can influence the fluid balance in the body. 

The Relation of PCOS With Nutrition:

A lot of women worldwide are too stuck different online concepts and misconception when it comes to nutrition for PCOS. Some online data says t completely cut out carbs or eliminate entire food groups, some say to avoid tea/coffee and some say to cut out fruits. It is not really that difficult or a hard and fast rule instead there some key points to remember. 

Recent research now suggest to take balanced diets without being too restrictive because in this way it will be way more sustainable and healthier for women. Include meals which has adequate fiber, lean proteins, healthy fats, low processed foods, moderate carbs instead cutting them out completely. This approach works because it keeps women full for longer and will also keep your energy and blood sugar levels stable. Women with PCOS who follow such patterns tend to see better results, less bloating, less fluid retention, better energy, less mood swings, etc. Meals like these are satisfying, nourishing, and realistic enough that women can continue them while maintaining discipline. Here consistency matters more. 

New research also shows that an anti-inflammatory diet is also very helpful in managing PCOS. It supports overall metabolic and hormonal health. An anti-inflammatory diet includes whole grains, whole fruits and vegetables, healthy fats, lean proteins, fiber rich foods, herbs and spices. Things are not included in an anti-inflammatory diet includes ultra-processed foods, very high sodium foods and excess added refined sugars. Sustainable diets are quite better than strict diet or strict lifestyle while managing PCOS. 

Why Strict Dieting Backfires in PCOS:

Many women worldwide think that restricting some major parts of the diet may show faster and better results but unfortunately, reality is different. Restrictive or strict diets increase stress in body around food which not only causes deficiencies but also makes it harder for women to stay consistent for longer term. All of the recent researches done previously clearly shows how “quick fixes” are apparently failing to manage PCOS. Sustainable nutrition habits matter more here. Initially, small habits help women stay on track and develop consistency and results.

Dietitians often recommend and council women with PCOS with following important key points:

  • Stress management
  • Balanced meals
  • Proteins with meals
  • High fiber meals
  • Regular Eating Habits
  • Daily physical movement
  • Regular Sleep Cycle

Practicing these habits daily, goes a long way.

Woman following a strict diet that backfire PCOS symptoms

When to Seek professional Guidance for PCOS:

By now we know that, PCOS effects women metabolically and hormonally, professional guidance and support is really important to understand what every body individually needs and requires, Supportive care from dietitians help you understand patterns and building routines that are not only realistic, easy to follow and sustainable. 

A clinical dietitian will help you with:

  • Symptom Tracking
  • Lab Interpretation
  • Meal Planning
  • Blood Sugar Support
  • Nutrients/Supplements Guidance
  • Long-term Wellness support and coaching

The hardest part about PCOS is that changes take time, it may happen slowly because hormones respond gradually especially when stress, sleep, inflammation and nutrition all are interconnected. Research indicated that minor, consistent lifestyle modifications may facilitate long term symptom management. For many women, it is easier to handle both emotionally and physically when they concentrate on consistency rather than perfection. 

If symptoms like bloating, exhaustion, cravings, or irregular cycles have been frustrating, it is essential to keep in mind that PCOS is complex and there is support present for you.

You don’t have to approach wellness with any harsh rules, shame or dread. Making decisions on daily basis might feel more empathetic, practical and informed when one is aware of the science behind PCOS. 

References:

World Health Organization (WHO) – Polycystic Ovary Syndrome
https://www.who.int/news-room/fact-sheets/detail/polycystic-ovary-syndrome 

International Evidence-Based Guideline for the Assessment and Management of PCOS
Monash University & International PCOS Network
https://www.monash.edu/medicine/sphpm/mchri/pcos/guideline 

Office on Women’s Health – PCOS Overview
https://www.womenshealth.gov/a-z-topics/polycystic-ovary-syndrome

https://www.healthcentral.com/condition/polycystic-ovary-syndrome-pcos/insulin-resistance-pcos

Academy of Nutrition and Dietetics – Women’s Health Nutrition Resources
https://www.eatright.org/health/womens-health 

Harvard T.H. Chan School of Public Health – Inflammation and Diet
https://www.hsph.harvard.edu/nutritionsource/anti-inflammatory-diet/ 

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