Pathology Laboratory (Medical)

Progesterone Hormone

Last updated on October 23rd, 2022 at 10:13 am

Progesterone hormone is a natural hormone produced by ovaries in females. It regulates the menstrual cycle and maintains pregnancy. Progesterone levels decrease during menopause.

Progesterone hormone is one of the most important hormones in a woman’s body. It helps in maintaining pregnancy and also plays an important role in female reproduction.

What is the Progesterone Hormone?

Progesterone is a hormone that your body produces. Both men and women produce it. But it’s mainly produced in the ovaries, which means women have more of it.

Also known as Serum Progesterone Blood, Serum Progesterone, Progesterone, Serum Progesterone Test

What are the functions of progesterone hormone?

In men, progesterone is involved in creating sperm, or spermatogenesis. In women, it helps prepare your uterus for a fertilized egg. If you become pregnant, progesterone helps you remain pregnant.

Progesterone also inhibits your milk production during pregnancy. When you go into labor, your progesterone levels drop, which helps trigger your milk production.

To measure the level of progesterone in your blood, your doctor can refer to a serum progesterone test or a progesterone test. The doctor may also refer to it if you’re having trouble getting pregnant. The results can give them a sign of whether you’re ovulating. This can help them diagnose and manage potential fertility problems.

Your doctor might also refer to this test if you’re pregnant and they suspect you’re at risk of ectopic pregnancy or miscarriage. An ectopic pregnancy happens when a fertilized egg attaches itself to your fallopian tube, abdominal cavity, or cervix, rather than your uterus. Miscarriage happens when you lose a fetus during early pregnancy. Both cause low progesterone levels.

Progesterone hormone test

A progesterone test is a blood test. It can help your doctor check on ovulation or potential fertility problems, make sure everything is OK if you’re already pregnant, or help find out why you have abnormal bleeding from your uterus.

Your doctor may call it a “serum progesterone” test. By itself, it’s not enough to diagnose any problem. But it could help, along with other tests.

Progesterone hormone in pregnancy

The likely need for serum progesterone test in pregnancy is;

  • Find the cause of a woman’s infertility (the inability to make a baby)
  • Find out if you are ovulating
  • Find out your risk of a miscarriage
  • Monitor a high-risk pregnancy
  • Diagnose an ectopic pregnancy, a pregnancy that grows in the wrong place (outside the uterus). A developing baby can’t survive an ectopic pregnancy. This condition is dangerous, and sometimes life-threatening, for a woman.

Progesterone hormone test preparation

Inform your doctor if you are on any medications, have any allergies or underlying medical conditions before your Progesterone. Your doctor will give specific instructions depending on your condition on how to prepare for Progesterone.

No specific preparation is required for this test. Your doctor may tell you to stop taking certain medications such as birth control or other hormone pills before the test.

Progesterone hormone test results

Your serum progesterone level will be measured in nanograms per deciliter (ng/dL). Normal results can vary, depending on your gender, age, menstrual cycle, and whether you’re pregnant.

If you’re a woman who menstruates, your blood progesterone level should be low at the beginning of each menstrual cycle. It should peak several days after you ovulate. Then it should fall back to low levels unless you’ve become pregnant.

Serum progesterone test normal range

Normal serum progesterone test results fall into 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
  • pregnant women in their second trimester: 25.6 to 89.4 ng/mL
  • pregnant women in their third trimester: 48.4 to 42.5 ng/mL

Your test results are abnormal if they fall outside the normal ranges. Sometimes, a single abnormal test result reflects normal fluctuations in your progesterone levels. Your progesterone levels can fluctuate a lot, even over the course of a single day. In other cases, abnormally high or low progesterone levels may be a sign of an underlying health problem.

Besides pregnancy, high progesterone levels can be caused by:

  • ovarian cancer
  • adrenal cancer
  • congenital adrenal hyperplasia, a group of disorders that affect your adrenal gland

Low progesterone levels can be caused by:

Read about: Testosterone

Learn about blood sugar level test

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