Ovarian Reserve

14.05.2026 Prof. Dr. Cihan Kaya

What is Ovarian Reserve? – Comprehensive Guide

What is Ovarian Reserve?

Ovarian reserve refers to the number and quality of eggs present in a woman's ovaries, which determine her pregnancy potential. It naturally decreases with age.

Why is Ovarian Reserve Important?

Reserve is one of the most important factors determining a woman's chance of pregnancy, either naturally or through IVF treatment.

How is Ovarian Reserve Assessed?

The most commonly used methods are AMH (Anti-Müllerian Hormone), FSH level, and antral follicle count (AFC) measurement.

What is AMH?

AMH is one of the most important hormones indicating ovarian reserve. It can be measured independently of the menstrual cycle.

FSH and Other Hormones

The FSH level measured on day 2-3 of menstruation provides information about the reserve. A high level suggests a diminished reserve.

Assessment with Ultrasound

Antral follicle count is assessed with transvaginal ultrasound. This method directly provides an idea about the number of eggs.

Factors Affecting Ovarian Reserve

Age, genetic factors, smoking, surgeries (especially endometrioma surgery), and certain diseases can affect the reserve.

Endometriosis and Reserve

Endometriosis, especially chocolate cysts, can reduce ovarian reserve. Surgical treatment can also have an impact on the reserve.

What Does Low Ovarian Reserve Mean?

Low ovarian reserve indicates a reduced number of eggs. However, this does not always mean that pregnancy is impossible.

How to Preserve Ovarian Reserve?

Avoiding smoking, refraining from unnecessary surgeries, and timely fertility planning are important.

Conclusion

Ovarian reserve is an important indicator of female fertility. With early assessment and proper planning, the chance of pregnancy can be increased.

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