17-HYDROXYPROGESTERONE

What this test checks

Measures 17-OH progesterone — elevated in congenital adrenal hyperplasia.

Why do people get this test?

Used in evaluating excess hair growth, irregular periods, or newborn screening.

When you should consider this test

• Excess hair growth in women
• Infertility work-up
• Newborn screening

How to prepare

Morning sample preferred.