Introduction to Female Infertility
At a Glance
How common is female infertility?
Female factors account for roughly 40–50% of fertility challenges in couples.
Is female infertility treatable?
Often, yes, especially when linked to ovulation, hormones, inflammation, nutrient status, or lifestyle factors.
What are the key aspects of female fertility?
Regular ovulation, healthy egg development, balanced hormones, open fallopian tubes, and a receptive uterine environment.
Why is this topic important?
Because female fertility is complex, yet many of the underlying factors are modifiable with focused nutrition, lifestyle support, and medical guidance where needed.
Of course, this isn’t always the case and sometimes, medical intervention is required.
What Is Female Infertility? (Simple Explanation)
Female infertility refers to difficulty conceiving due to:
- Not ovulating regularly
- Hormonal imbalances
- Issues with egg health
- Blocked or damaged fallopian tubes
- Conditions that affect the uterus
- Or a combination of these factors
In simple terms, infertility occurs when something interferes with the process of producing a mature egg, releasing it, or allowing sperm and egg to meet, and eventual implantation.
How Common Is Female Infertility?
Female infertility is very common and affects women worldwide, across all age groups. It accounts for about half of all fertility difficulties, yet the causes are varied, and in a lot of cases, causes are multi-factorial.
It’s important to recognise that fertility is not only about eggs and age. Hormones, ovulation, inflammation, nutrient status, stress, and metabolic health all play significant roles and are often highly responsive to intervention.
What Causes Female Infertility?
Female fertility relies on a finely tuned hormonal and reproductive system. The most common contributors include:
1. Ovulation Disorders
A leading cause of infertility.
These include:
- PCOS
- Irregular cycles
- Anovulatory cycles (cycles without ovulation)
- Thyroid dysfunction
- High prolactin
When ovulation isn’t predictable, conception becomes difficult, but many ovulation issues are treatable.
2. Age-Related Decline
Egg number and egg quality can decline with age, particularly after 35. However, lifestyle factors and targeted nutrition can still support ovarian function and egg health at any age.
3. Hormonal Imbalances
Fertility depends on the coordinated rise and fall of hormones like:
- FSH
- LH
- Oestradiol
- Progesterone
- Thyroid hormones
Disruptions can affect ovulation, egg maturation, and implantation.
4. Conditions Affecting the Reproductive Organs
- Endometriosis
- Fibroids
- Pelvic inflammatory disease (PID)
- Blocked fallopian tubes
- Structural or anatomical issues
These can interfere with egg release, fertilisation, or implantation.
5. Egg Quality Challenges
Oxidative stress, inflammation, age, and nutrient deficiencies can all affect the health of developing eggs.
6. Lifestyle & Environmental Factors
- High stress (affects ovulation and hormones)
- Smoking or vaping
- High alcohol intake
- Poor diet
- Low antioxidant intake
- Exposure to endocrine disruptors (plastics, pesticides)
- Metabolic issues such as insulin resistance
These influence hormone balance, inflammation, and ovarian function.
Why Female Fertility Is Modifiable
Although factors like age and certain medical conditions cannot be changed, many aspects of female fertility can improve with targeted support:
- Hormone balance
- Cycle regularity
- Ovulation quality
- Egg health
- Endometrial receptivity
- Inflammation
- Metabolic health
The ovarian cycle spans roughly 90 days, meaning the eggs released in three months’ time are developing today and they are influenced by nutrition, stress, sleep, and overall health during that window.
This makes female fertility more responsive to change than many people realise.
How Female Infertility Is Assessed
Evaluation often begins with:
- A detailed cycle history
- Blood tests to assess hormones
- Ultrasound to evaluate ovaries and uterus
- Ovulation tracking
- Tubal patency testing (e.g., HyCoSy or HSG)
These tools help clarify whether the challenge lies in ovulation, egg quality, hormone regulation, tubal issues, or uterine factors.
Why This Series Matters
Female infertility is:
- Common
- Multifactorial
- Often misunderstood
- Deeply affected by diet, lifestyle, and stress
- Frequently improved with targeted changes
This series will break down each component, ovulation, hormones, egg health, cycle tracking, inflammation, metabolic influences, and more, in a clear, compassionate, evidence-informed way.

