What are the tests required to diagnose primary ovarian insufficiency?

To diagnose primary ovarian insufficiency (POI), a doctor typically performs a comprehensive evaluation, including a medical history, a physical examination, and a series of laboratory and imaging tests. These tests include blood tests to measure hormone levels such as follicle-stimulating hormone (FSH) and estrogen, as well as a pregnancy test to rule out pregnancy; they may also include chromosomal analysis and pelvic ultrasound.

Clinical Examination and Medical History

Diagnosis of POI usually begins with a careful review of the patient's medical history, including inquiring about relatives who have been diagnosed with POI. A physical examination is also conducted to look for signs of other disorders that could be the cause of the observed symptoms. Irregular or absent menstrual cycles are considered primary warning signs that warrant investigating POI, especially if they occur before the age of 40 [1].

Hormonal Tests

Blood tests to measure hormone levels are a fundamental part of the diagnosis. The hormones tested include:

• Follicle-Stimulating Hormone (FSH): A high level of FSH in the blood is a significant indicator of POI, as the brain attempts to stimulate the ovaries to produce eggs and hormones [1].
• Estrogen (specifically Estradiol E2): Low blood estrogen levels show that the ovaries are not functioning normally [2].
• Pregnancy test: A pregnancy test is performed to ensure that the symptoms are not the result of pregnancy [1].

Genetic and Chromosomal Tests

In some cases, the doctor may request a chromosomal analysis, which is a blood test that examines the genetic information inside cells. This analysis aims to detect genetic disorders that may be associated with POI, such as Fragile X syndrome or Turner syndrome, which increase the risk of the condition [1]. For example, about 12% to 28% of women who carry a primary mutation in the FMR1 gene may develop Fragile X-associated primary ovarian insufficiency [3].

Pelvic Ultrasound

A pelvic ultrasound is used to assess the size of the ovaries and check for the presence of multiple follicles. This test can help determine if the ovaries are enlarged or contain an abnormal number of follicles, which may indicate a problem with their function [1].

Next Steps After Diagnosis

Once a diagnosis of POI is confirmed, the doctor will discuss available treatment options to manage symptoms and reduce health risks associated with low hormone levels. Although there is no proven treatment to restore normal ovarian function, hormone replacement therapy (HRT) is the most common treatment to improve sexual health and reduce the risk of heart disease and osteoporosis [1]. For more information on causes, symptoms, and fertility management options, you can visit Primary Ovarian Insufficiency: Understanding Causes, Symptoms, and Fertility Management Options (Arabic).

Medical references

• Primary Ovarian Insufficiency
• Estrogen Levels Test
• About Fragile X-Associated Primary Ovarian Insufficiency (FXPOI)