17-OH Progesterone Unit Converter
Convert between nmol/L, ng/dL
Also known as: 17-OHP, 17α-Hydroxyprogesterone, 17α-OHP, Hydroxyprogesterone, 17-Hydroxyprogesterone
Convert 17-OH Progesterone
What is 17-OH Progesterone?
17-OH-Progesterone (17-OHP) is a steroid hormone produced as an intermediate step in the body's production of cortisol and sex hormones. It is not a final, active hormone itself but rather a building block that gets converted into other essential hormones.
Measuring 17-OHP helps evaluate how well the adrenal glands are functioning, particularly the enzyme pathways responsible for making cortisol. When these pathways are blocked, 17-OHP accumulates in the blood.
The test is most commonly used to screen for and diagnose congenital adrenal hyperplasia (CAH), an inherited condition that affects cortisol production.
Where Does 17-OH Progesterone Come From?
17-OHP is primarily produced in the adrenal glands and, to a lesser extent, in the ovaries (specifically the corpus luteum) and testes. During pregnancy, fetal adrenal production increases 17-OHP levels significantly in the third trimester.
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