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Advanced Thyroid Check for Women

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Our at home thyroid blood test for women checks key thyroid hormones TSH, FT4 and FT3 together with thyroid antibodies to establish if your thyroid is functioning correctly.
What's included
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Why Test Your Thyroid Function?

Women are 6x more likely to have an overactive thyroid gland than men and it’s estimated that 1 in 50 women live with an overactive thyroid gland or hyperthyroidism.

Symptoms of an overactive thyroid include weight loss, fatigue, irritability, and difficulty sleeping. Whereas, symptoms of an underactive thyroid include weight gain, hair loss, forgetfulness, and low mood.

Our Advanced Thyroid Test has been specifically designed to check thyroid hormones and antibodies that will help identify an overactive (hyperthyroidism) or underactive (hypothyroidism) thyroid as well as an autoimmune condition.

Despite a thyroid condition needing medical intervention, there are lifestyle changes you can make to help manage the symptoms and support your wellbeing.

When to take This tesT

You can provide the sample for the thyroid check at any time but we don’t recommend checking your thyroid levels at times of illness as this may not give you an accurate result.

Thyroid and Menopause

Some of the symptoms associated with thyroid disorders are similar to menopause symptoms. So, it’s common for these symptoms to be diagnosed as menopause or linked to stress.

For example, an underactive thyroid shares many symptoms with the menopause and hypothyroidism is most common in menopausal aged women. It is important to distinguish between the menopause and a thyroid issue or if, indeed, you are experiencing both. It’s particularly important because both can increase the risk of long-term health complications such as heart disease and osteoporosis.

A thyroid check analyses the levels of thyroid hormones in your blood and these can be used to identify thyroid conditions.

What Biomarkers Are Included In An
Advanced Thyroid Test?

The biomarkers included in a thyroid function test include TSH, T3, T4 and thyroid antibodies.

Thyroid stimulating hormone regulates the production of the thyroid hormones thyroxine (T4) and triiodothyronine (T3). TSH controls the release of these hormones in the blood and is an indicator of how well the thyroid gland is working. It is tested to check for an overactive or underactive thyroid.

Thyroxine (T4) is measured alongside TSH and T3 to help identify thyroid issues. High levels of T4 is due to an overactive thyroid, whereas low levels are due to an underactive thyroid.

T3 is the more active form of thyroxine and like T4 it is measured to identify whether the thyroid is working properly. It is used to diagnose an overactive thyroid.

Thyroglobulin is a large protein stored in the thyroid gland and aids the production of both T3 and T4. Raised levels of thyroglobulin antibodies are associated with autoimmune diseases that affect the thyroid.

Thyroid peroxidase antibodies (TPO) are a biomarker used to detect the presence of autoimmune thyroid disease. These antibodies develop when the immune system mistakes the components of the thyroid gland or its proteins as foreign. Therefore, if thyroid disease is present, TPO antibody levels will be high.

Dr Nicky Keay
the Experts Opinion

“Thyroid disorders are quite common, affecting around 5% of the UK population with women being more prone to thyroid disorders than men. If you are experiencing symptoms of fatigue, mood changes, poor sleep or unexplained weight gain or loss then you may have a thyroid issue. This advanced thyroid test can be easily done at home and will help identify a thyroid disorder. It checks your levels of TSH, T4, T3 as well as thyroid antibodies. High T3 and T4, combined with low levels of TSH are indicative of an overactive thyroid, whereas low levels of T3 and T4 with high levels of TSH are associated with an underactive thyroid. NICE set TSH levels above 10 mU/L as indicative of hypothyroidism.”

Dr Nicola Keay
Forth Chief Medical Officer

improve your unique self

Want to improve your health & wellbeing? Forth gives you insight into your body’s key biomarkers. By tracking essential markers overtime you can build a picture of your own unique self and discover how your body responds to the changes you make so you can reach your personal best.

Frequently asked questions

 Here are some of the most frequently asked questions. If you need anything else try our help section.

  • What are the symptoms of thyroid problems in females?

    The most common symptoms of thyroid health issues in women are the same for men, and include weight loss and weight gain. But there are symptoms that are unique to women, such as frequent and heavy menstrual periods. Symptoms for hypothyroidism (an underactive thyroid) are different from hyperthyroidism (an overactive thyroid). There are lots of symptoms related to thyroid problems, so it’s best to get a blood test to check if you’re unsure.

  • What is an overactive thyroid?

    An overactive thyroid, also known as hyperthyroidism,  means you have too much thyroid hormone acting on the cells in your body which speeds them up. Their increased function can cause a variety of symptoms, such as anxiety, fast heartbeat, weight loss, sleep disturbances, trembling, and excessive sweating.

  • What is a normal thyroid level for women?

    The normal level of TSH in women is 0.27-4.2 mIU/L (milli-international units per litre), FT4 is 12-22 pmol/L (picomoles per litre) and FT3 is 3.1-6.8pmol/L.

    Our advanced thyroid test will give you results for all 3 markers, giving you detailed analysis of what your optimum level should be and current levels are.

  • What is an underactive thyroid?

    An underactive thyroid is also known as hypothyroidism and is caused by a lack of thyroid hormones. Because there aren’t enough thyroid hormones being made, the activity of your cells slows down and causes symptoms such as weight gain, low mood, and forgetfulness.

Want To Personalise Your test?

Would you prefer to test more biomarkers in the same sample of blood? All our tests are customisable and can be tested in just one sample of blood. Click the button below to add more biomarkers to this test.