Progesterone Blood Test

A progesterone blood test checks for the amount of progesterone in your blood on the day of the test. If you're having trouble conceiving, or undergoing a fertility treatment cycle, your doctor will monitor your progesterone levels to confirm whether ovulation has occurred.

In general, normal serum progesterone test results fall in the following ranges: men, postmenopausal women, and women at the beginning of their menstrual cycle: 1 ng/mL or under. Women in the middle of their menstrual cycle: 5 to 20 ng/mL. Pregnant women in their first trimester: 11.2 to 90 ng/mL.

Typically, day 21 to 23 serum progesterone concentrations of more than 10 ng/mL indicate normal ovulation and concentrations below 10 ng/mL suggest anovulation, inadequate luteal phase progesterone production, or inappropriate timing of sample collection.

High progesterone High progesterone symptoms occur when there is an imbalance in the levels of progesterone and estrogen. This means that even though in test you may score high in progesterone, you won't experience high progesterone symptoms if your estrogen level is at balance with it.

Low Progesterone Symptoms of low progesterone in women who aren't pregnant include: headaches or migraines, mood changes, including anxiety or depression, irregularity in menstrual cycle.