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Frequently Asked Questions

I Am Using Hormone Replacement Therapy, How Does This Affect The Results And Can I Still Use The TestoChecker Kit?

Yes, but the following information should be taken into account. Hormone medication such as DHEAs, progesterone and estrogens known as bio-identical hormones, will interfere with the test results no matter what form they are used in. The results will reveal your current levels. If you are either starting or ceasing HRT ie: cream, gel, troche, pessary, it is recommended that you wait 3 to 4 days before using the TestoChecker Kit.

I Have Old Results or Results From Another Laboratory, and They Include Different Measurement Units?

We now provide the ‘Measurement Unit Conversion Calculator’ with all results, and this can be used to compare results in various unit type.

I am not cycling due to menopause, hysterectomy or amenorrhea (absence of cycles in reproductive-aged women)

Testing can occur at any time of month. If using topical (applied to the skin) HRT or supplementation, saliva testing should not occur on the same day as this may give false results.

When is the best time of month to measure the reproductive hormones?

In men, the reproductive hormones can be measured at any time; however, in women it gets a bit more complicated!

– I have irregular menstrual cycles

It’s OK. Charts used to help you determine the ideal test date are provided with the Fertility Hormone Test Kits.

– I have regular menstrual cycles

The steroid hormones estradiol and progesterone regulate the menstrual cycle and therefore rise and fall at different phases. A typical menstrual cycle completes every 28 days.

Estradiol levels are extremely variable across the course of the menstrual cycle. Estradiol levels are at their lowest during menstruation (day 1-7) and then increase during the remaining follicular phase (8-14 days), peaking just prior to ovulation at day 14. Estradiol levels fall sharply post-ovulation but peak again during the luteal phase around day 21 (at the same time as the rise in progesterone) before declining once more prior to menstruation. Estradiol tests can be performed throughout the cycle but levels should be referenced against established typical ranges for the specific phase of the cycle in which testing was done.

Progesterone levels peak in the luteal phase following ovulation. A progesterone test should be performed at approximately day 21 of the cycle (21 days after the beginning of the last period) to capture peak secretion of this hormone.

Testosterone (and other androgen) levels do not vary much over the menstrual cycle but may increase slightly around ovulation.

I Am Taking Vitamin/Mineral. Would this Affect The Test Results?

No, it is not necessary to stop taking your Vitamins.

I am using hormonal birth control

If using hormonal birth control, such as oral contraceptives, then the sex hormones will be suppressed to prevent ovulation. This means that the timing of hormone testing can occur at any time. If oral contraceptives are ceased it is recommended to wait until the second cycle before testing sex hormone levels. Test results for the hormones cortisol and melatonin are not affected.

I Have An Implanted IUD, Will I Be Able To Use The TestoChecker Kit?

Yes, however, if you plan on removing the IUD, at least 1 month should pass before using the TestoChecker Kit.

What If I Want To Test More Than Once?

Simply purchase more than one kit. Use each saliva kit and mail it back for testing when you choose. One of the advantages of saliva testing is that it allows for you to replicate the conditions under which the sample is provided, including the timing of your test, allowing for optimal consistency.

What If I Can’t Produce Enough Saliva?

Try closing your mouth and moving your teeth as if you are chewing. Take your time, and refer to the tips for saliva collection in the kit instructions.

I Still Can Not Produce Enough Saliva Using The Suggestions In The Kit, What Should I Do?

Cut a lemon in half and inhale the smell of it. Try this a few times, and stay relaxed. If this does not work, squeeze 1 drop into the inside of the cheek. Move the mouth around, and have another try to produce the saliva.

I Sometimes Have Blood in my Saliva, Will This Matter?

Yes, blood in the saliva, visible to the eye, will contaminate the sample and void the result. Check first by rinsing the mouth with fresh water and swilling into sink whilst observing for signs of blood in your saliva. Following this, wait 10 minutes and then provide your sample. If you have already used the tube, and now see blood within the saliva, it’s OK. Rinse the tube thoroughly in warm water (only), then place the tube on its side on a fresh paper towel. Wait a good 20 Minutes for it to dry before re using.

What To Do If My Results Are Out Of Normal Range?

We suggest you take those results to see a local GP. It’s possible further investigation is required. It is possible that you have detected something your GP is unaware of and needs to know about. Another option is for you to re test the same hormones for clarification, whilst replicating the conditions to the best of your ability.

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Why Use Saliva to test Hormones

Learn about the hormones related to sleep and stress

I Am Using Hormone Replacement Therapy, How Does This Affect The Results And Can I Still Use The TestoChecker Kit?

Yes, but the following information should be taken into account. Hormone medication such as DHEAs, progesterone and estrogens known as bio-identical hormones, will interfere with the test results no matter what form they are used in. The results will reveal your current levels. If you are either starting or ceasing HRT ie: cream, gel, troche, pessary, it is recommended that you wait 3 to 4 days before using the TestoChecker Kit.

I am not cycling due to menopause, hysterectomy or amenorrhea (absence of cycles in reproductive-aged women)

Testing can occur at any time of month. If using topical (applied to the skin) HRT or supplementation, saliva testing should not occur on the same day as this may give false results.

I Have Old Results or Results From Another Laboratory, and They May Include Different Measurement Units?

We now provide the ‘Measurement Unit Conversion Calculator’ upon request. Email Support and include the Measurement Unit Types you require.

When is the best time of month to measure the reproductive hormones?

In men, the reproductive hormones can be measured at any time; however, in women it gets a bit more complicated!

– I have irregular menstrual cycles

It’s OK. Charts used to help you determine the ideal test date are provided with the Fertility Hormone Test Kits.

– I have regular menstrual cycles

The steroid hormones estradiol and progesterone regulate the menstrual cycle and therefore rise and fall at different phases. A typical menstrual cycle completes every 28 days.

Estradiol levels are extremely variable across the course of the menstrual cycle. Estradiol levels are at their lowest during menstruation (day 1-7) and then increase during the remaining follicular phase (8-14 days), peaking just prior to ovulation at day 14. Estradiol levels fall sharply post-ovulation but peak again during the luteal phase around day 21 (at the same time as the rise in progesterone) before declining once more prior to menstruation. Estradiol tests can be performed throughout the cycle but levels should be referenced against established typical ranges for the specific phase of the cycle in which testing was done.

Progesterone levels peak in the luteal phase following ovulation. A progesterone test should be performed at approximately day 21 of the cycle (21 days after the beginning of the last period) to capture peak secretion of this hormone.

Testosterone (and other androgen) levels do not vary much over the menstrual cycle but may increase slightly around ovulation.

I Am Taking Vitamin/Mineral. Would this Affect The Test Results?

No, it is not necessary to stop taking your supplements.

I am using hormonal birth control

If using hormonal birth control, such as oral contraceptives, then the sex hormones will be suppressed to prevent ovulation. This means that the timing of hormone testing can occur at any time. If oral contraceptives are ceased it is recommended to wait until the second cycle before testing sex hormone levels.

I Have An Implanted IUD, Will I Be Able To Use The TestoChecker Kit?

Yes, however, if you plan on removing the IUD, at least 1 month should pass before using the TestoChecker Kit.

What If I Want To Test More Than Once?

Simply purchase more than one kit. Use each saliva kit and mail it back for testing when you choose. One of the advantages of saliva testing is that it allows for you to replicate the conditions under which the sample is provided, including the timing of your test, allowing for optimal consistency.

What If I Can’t Produce Enough Saliva?

Try closing your mouth and moving your teeth as if you are chewing. Take your time, and refer to the tips for saliva collection in the kit instructions.

I Still Can Not Produce Enough Saliva Using The Suggestions In The Kit, What Should I Do?

Cut a lemon in half and inhale the smell of it. Try this a few times, and stay relaxed. If this does not work, squeeze 1 drop into the inside of the cheek. Move the mouth around, and have another try to produce the saliva.

I Sometimes Have Blood in my Saliva, Will This Matter?

Yes, blood in the saliva, visible to the eye, will contaminate the sample and void the result. Check first by rinsing the mouth with fresh water and swilling into sink whilst observing for signs of blood in your saliva. Following this, wait 10 minutes and then provide your sample. If you have already used the tube, and now see blood within the saliva, it’s OK. Rinse the tube thoroughly in warm water (only), then place the tube on its side on a fresh paper towel. Wait a good 20 Minutes for it to dry before re using.

What To Do If My Results Are Out Of Normal Range?

We suggest you take those results to see a local GP. It’s possible further investigation is required. It is possible that you have detected something your GP is unaware of and needs to know about. Another option is for you to re test the same hormones for clarification, whilst replicating the conditions to the best of your ability.

[Last updated 02.11.18]