17-Hydroxyprogesterone

Product Description

Price: 25 د.ا

The 17-hydroxyprogesterone (17-OHP) test measures the level of 17-OHP in the blood. This steroid hormone plays a crucial role in the synthesis of cortisol and aldosterone, which are essential for regulating metabolism, immune response, and electrolyte balance. Understanding the function of 17-OHP and its implications can aid in diagnosing various medical conditions, particularly those related to adrenal and reproductive health.

 

Function in the Body

17-Hydroxyprogesterone is an intermediate product in the steroidogenesis pathway, converting into cortisol via 21-hydroxylase and 11-beta-hydroxylase enzymes in the adrenal glands. Cortisol, a critical hormone for stress response, metabolism, and immune function, requires precise regulation. Therefore, any disruption in 17-OHP levels can indicate underlying endocrine disorders.

 

Symptoms of Abnormal 17-Hydroxyprogesterone Levels

Abnormal levels of 17-OHP can manifest through various symptoms, often depending on the underlying condition:

– Congenital Adrenal Hyperplasia (CAH): Symptoms in infants include ambiguous genitalia in females, vomiting, dehydration, and poor feeding. In children and adults, signs may include early puberty, rapid growth during childhood but shorter final height, severe acne, and menstrual irregularities in females.

– Adrenal Tumors or Hyperplasia: Symptoms include virilization (development of male physical characteristics in females), high blood pressure, low potassium levels, and in some cases, Cushing’s syndrome symptoms like weight gain and muscle weakness.

Diagnosis of 17-Hydroxyprogesterone Levels

The 17-OHP test is primarily used to diagnose congenital adrenal hyperplasia (CAH), a group of inherited disorders affecting adrenal steroidogenesis. It is also useful in evaluating:

– Adrenal Tumors: To distinguish between adrenal hyperplasia and tumors.

– Polycystic Ovary Syndrome (PCOS): As part of the differential diagnosis in women presenting with hirsutism, menstrual irregularities, and infertility.

– Adrenal Insufficiency: To help diagnose Addison’s disease and secondary adrenal insufficiency.

Diseases Revealed by the 17-Hydroxyprogesterone Test

Congenital Adrenal Hyperplasia (CAH)

Adrenal Tumors or Hyperplasia

Polycystic Ovary Syndrome (PCOS)

– Adrenal Insufficiency (Addison’s disease and secondary adrenal insufficiency)

 

Normal Ranges for 17-Hydroxyprogesterone

The normal ranges for 17-OHP can vary based on age, sex, and the method used by the laboratory. Typical reference ranges are:

– Adult Females : Follicular Phase|<2.100 ng/mL,  Luteal Phase|<2.190 ng/m

– Adult Males: <1.970 ng/mL

It is essential to interpret these values in the context of clinical presentation and other diagnostic findings.

Preparation for the 17-Hydroxyprogesterone Test

No specific preparation is usually required for a 17-OHP test. Fasting is not necessary. However, it is important to inform the healthcare provider about any medications or supplements being taken, as some drugs can affect hormone levels.

Frequently Asked Questions

Q1: What is the 17-hydroxyprogesterone test used for?

– The test is primarily used to screen for and diagnose congenital adrenal hyperplasia (CAH), but it can also help evaluate other adrenal disorders, adrenal tumors, and polycystic ovary syndrome (PCOS).

Q2: Do I need to fast before the test?

– No, fasting is not required before the 17-hydroxyprogesterone test. You can eat and drink normally.

Q3: What are the symptoms of high 17-OHP levels?

– Symptoms of high 17-OHP levels may include signs of virilization (such as deepening voice and facial hair in females), early puberty in children, severe acne, menstrual irregularities, and infertility in women.

Q4: How is the 17-OHP test performed?

– The test involves drawing a blood sample, usually from a vein in your arm. The blood is then analyzed in a laboratory to measure the concentration of 17-OHP.

Q5: Can medications affect the results of the 17-OHP test?

– Yes, certain medications, especially corticosteroids, can affect the results. Always inform your healthcare provider about any medications you are taking.

Q6: What happens if my 17-OHP levels are abnormal?

– If your 17-OHP levels are abnormal, your healthcare provider may order additional tests to determine the underlying cause. Treatment will depend on the specific diagnosis but may include hormone replacement therapy, medications to manage symptoms, or surgery in the case of tumors.

Q7: Can the 17-OHP test be used to monitor treatment?

– Yes, the 17-OHP test can be used to monitor the effectiveness of treatment in conditions like congenital adrenal hyperplasia (CAH) and adjust medication dosages accordingly.

 

In conclusion, the 17-hydroxyprogesterone test is a valuable diagnostic tool for assessing adrenal and reproductive health. It provides critical insights into conditions like congenital adrenal hyperplasia, adrenal tumors, and polycystic ovary syndrome, enabling timely and effective treatment interventions.

  • Function in the Body

  • Symptoms of Deficiency

  • Symptoms of Overdose

  • Diagnosis

  • More Information

Frequently Asked Questions

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