Demystifying Ovarian Reserve: The Science and Its Impact on Your Fertility

The concept of ovarian reserve is integral to understanding female fertility. By examining the scientific aspects of ovarian reserve, we can gain valuable insights into how it affects fertility and what measures can be taken to optimize reproductive health.

Microscopic image of ovarian follicles

The Biology of Ovarian Reserve

Ovarian reserve refers to the number of viable eggs present in the ovaries at any given time. Women are born with a finite number of eggs, which decrease in quantity and quality over time.

Key Hormones in Ovarian Reserve

  1. Anti-Müllerian Hormone (AMH): Produced by ovarian follicles, indicating the remaining egg supply.
  2. Follicle-Stimulating Hormone (FSH): Regulates the development of ovarian follicles.
  3. Estradiol: An estrogen hormone that helps regulate the menstrual cycle and fertility.

How Age Affects Ovarian Reserve

As women age, the number of available eggs diminishes. This decline accelerates after age 35, making age a critical factor in fertility.

Models of hormone molecules like AMH and FSH

The Role of Genetics

Genetic factors can influence the rate at which ovarian reserve declines. Family history of early menopause can be an indicator of similar patterns.

Environmental and Lifestyle Influences

  • Smoking: Accelerates the decline of ovarian reserve.
  • Diet and Exercise: Healthy lifestyle choices can support overall reproductive health.
  • Stress: High stress levels can negatively impact hormonal balance and ovarian function.

Clinical Tests to Assess Ovarian Reserve

  • Blood Tests: Measure AMH and FSH levels.
  • Ultrasound: Antral follicle count to visualize and count the ovarian follicles.

Understanding Test Results

  • Normal Range: Indicates a typical ovarian reserve for age.
  • Below Normal Range: Suggests a lower ovarian reserve, potentially impacting fertility.

Implications for Fertility Treatments

  • IVF: Understanding ovarian reserve helps tailor IVF treatments.
  • Egg Freezing: Women with a lower ovarian reserve may consider egg freezing for future use.
Pregnant Woman


Ovarian reserve is a fundamental aspect of female fertility. By understanding the science behind it, women can make informed decisions about their reproductive health and family planning.

Collage of healthy living activities like diet and exercise


Can ovarian reserve tests predict menopause?

While they can give an indication, they cannot precisely predict the timing of menopause.

Are there treatments to improve ovarian reserve?

There are no treatments to increase the number of eggs, but fertility treatments can assist in conception.

What is the significance of AMH levels in fertility?

AMH levels provide a snapshot of the remaining egg supply and can help predict the response to fertility treatments.

How reliable are ovarian reserve tests? They are reliable indicators but should be considered alongside other fertility assessments.

Can I have a normal ovarian reserve and still face fertility issues? Yes, other factors such as tubal or uterine issues can affect fertility even with a normal ovarian reserve.

Scroll to Top