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The chart below lists what are considered normal levels of progesterone for an adult female during different points of the menstrual cycle and pregnancy.
Diseases & Conditions / Low Progesterone. Progesterone is a sex hormone that supports menstruation and pregnancy in women or people assigned female at birth (AFAB). Low levels of progesterone cause symptoms like irregular periods, mood changes and trouble conceiving.
What are normal levels of progesterone? Progesterone levels fluctuate throughout your menstrual cycle. Levels rise after ovulation and continue to rise if pregnancy occurs. Your healthcare provider is the best person to determine what your progesterone level should be depending on where you are in your menstrual cycle or if you’re pregnant.
Progesterone is essential for regulating the menstrual cycle, supporting early pregnancy, and preventing miscarriage. Balanced progesterone levels also help counteract the effects of estrogen, promote bone health, and stabilize mood and sleep.
The progesterone test measures your progesterone blood levels. Progesterone levels follow a specific pattern throughout the menstrual cycle and any abnormalities might signal fertility or other hormonal problems in women. Progesterone levels normally increase in pregnancy.
A progesterone test measures the level of progesterone in a sample of your blood. Progesterone is a hormone that's made mainly by the ovaries, which are two glands in the female reproductive system that contain eggs. Each month, progesterone prepares your uterus for pregnancy.
A doctor can use a serum progesterone test to measure the level of progesterone in your blood. Learn what this test is used for and what it involves.
The test tells you what your level of progesterone is at that time. You don’t need to do anything to prepare. But it will help if you take note of when your last menstrual period started.
What are normal progesterone levels? Progesterone levels will be different depending on what phase of the menstrual cycle you are in. They are low during the first half of your menstrual cycle, or what is called the ‘follicular phase’.
Progesterone serum levels increase from approximately 25 ng/mL during the midluteal phase to 150 ng/mL at the end of pregnancy. Inhibition of prostaglandin synthesis causes uterine...