What is the difference between the blood test and the saliva progesterone test?

Both tests measure progesterone, but they use different types of samples. The blood test (DBS) measures progesterone in capillary blood and resembles the method commonly used in clinical laboratories for hormone measurement. The saliva test is needle-free and may be preferred by those seeking an alternative collection method. The tests are analysed using different methods, and results from blood and saliva cannot be directly compared on a value-for-value basis.

When in my cycle should I take the test?

Progesterone is usually measured in the second half of the menstrual cycle, one week after ovulation (the luteal phase). For a typical 28-day cycle, this is often around days 19–23.

Can I use this test if I am taking hormonal contraception?

Many types of hormonal contraception (such as combined birth control pills, patches or vaginal rings) suppress your natural progesterone production. In these cases, a progesterone test will not reflect your natural cycle or ovulation pattern, and the result is often difficult to interpret.

1 item

Progesterone Test

Name: Progesterone Test
Brand: GetTested
SKU: EU7
Price: 79.99 GBP
Availability: InStock
Rating: 4.5 (100 reviews)

79.99 GBP

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GetTested’s Progesterone Test measures the level of progesterone in your blood. Progesterone is an important hormone involved in regulating the menstrual cycle, supporting fertility, and maintaining pregnancy. Measuring progesterone can help assess ovulation, hormone balance, or possible causes of irregular cycles. For those who prefer a needle-free option, we also offer a saliva-based progesterone test.

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79.99 GBP

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What is measured in the Progesterone test?

Progesterone test

Progesterone is one of the body’s key reproductive hormones, essential for preparing the uterus for pregnancy, supporting implantation, and maintaining a healthy menstrual cycle. Imbalances in progesterone can affect ovulation, fertility, and overall hormonal health. The Progesterone Test (Blood) from GetTested provides a clear picture of your progesterone status and helps identify whether low levels may be linked to irregular cycles, fertility challenges, or other hormone-related symptoms.

What is progesterone?

Progesterone is produced mainly by the ovaries after ovulation and plays a key role in preparing the uterine lining for a possible pregnancy. If pregnancy occurs, progesterone supports implantation and helps maintain the pregnancy. Beyond reproduction, progesterone also contributes to overall hormonal balance, influencing mood, sleep, and energy.

Why measure progesterone?

Testing progesterone levels provides valuable information in situations such as:

Confirming ovulation and luteal phase sufficiency
Investigating causes of irregular or absent cycles
Evaluating fertility issues or difficulties conceiving
Monitoring hormone balance during perimenopause or menopause
Assessing unexplained symptoms such as mood swings, fatigue, or sleep disturbances

Symptoms of low progesterone

Low progesterone levels may cause:

Irregular or missed periods
Difficulty conceiving or maintaining pregnancy
Premenstrual syndrome (PMS) with mood swings or irritability
Sleep disturbances or fatigue
Hot flashes or night sweats
Anxiety or low mood

When is testing relevant?

The Progesterone test may be relevant if you:

Are trying to conceive and want to confirm ovulation
Experience irregular menstrual cycles or symptoms suggesting hormone imbalance
Suspect luteal phase deficiency as a possible cause of infertility
Are undergoing fertility treatment and want to track hormone response

Key benefits of the Progesterone test

Measures an essential reproductive hormone
Provides insights into ovulation, fertility, and hormone balance
Supports cycle tracking and fertility planning
Can help identify causes of irregular cycles or reproductive health issues

How the test works

The Progesterone test is performed using a simple dried blood spot (DBS) sample collected at home with a finger prick. The sample is sent to our accredited laboratory for analysis, and your results are delivered digitally, giving you secure and convenient access to your hormone health insights. For those who prefer a needle-free option, GetTested also offers a saliva-based progesterone test.

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The home test was straightforward with easy to follow instructions. The test result was detailed and clear in its presentation. Also had the opportunity to ask questions about the test result.

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We looked at a lot of companies offering the same services but made the decision to go forward with get tested because the labs are based here in the UK. The process has been very straight forward.

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There are other providers out there, I have tried 3. Gettested was the fastest and the customer service was the best. I even received my test on the day of purchase delivered by a motorbike courier.

Alan

Absolutely perfect, results came after few days and finally after a lots of times visited GP, we finally know why my son has eczema - he is allergy to carrot. Thanks a lot.

I found them to be professional and not too long a wait for results. Helpful with any after questions. Will be using them again if need be. I highly recommend them.

Eileen