Perimenopause and Thyroid Health: What You Need to Know

Perimenopause Thyroid

The transition from pregnancy to post-menopause, known as perimenopause, is often accompanied by physical and emotional issues related to hormones levels.

When it comes to thyroid health, the relationship between decreased reproductive hormones and altered thyroid hormonal balance is closely intertwined. Many women begin to experience symptoms of hypothyroidism during perimenopause, such as weight gain, brittle nails, dry skin, fatigue, cold intolerance, and hair loss.

Hormonal Changes and Thyroid Health During Perimenopause

When a woman enters perimenopause, her body begins to transition towards menopause by making fewer reproductive hormones estrogen and progesterone. These hormones directly regulate thyroid hormones, T3 and T4, meaning that when their presence decreases, the balance of T3 and T4 can become disrupted. And since T3 and T4 are important for the regulation of metabolism, the body’s ability to burn energy can become impacted.

The Link Between Perimenopause and Thyroid Problems

Though the link between perimenopause and thyroid problems isn’t fully understood, researchers have observed that a disruption in the balance of T3 and T4 often increases during perimenopause. This disruption can cause a number of symptoms characteristic of hypothyroidism, such as fatigue, weight gain, and dry skin.

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Testing for Hypothyroidism During Perimenopause

If you are experiencing any symptoms of thyroid dysfunction during perimenopause, it is important to have your thyroid levels tested. Your doctor will likely order a “TSH” test, which measures the level of thyroid-stimulating hormone (TSH) in your blood. If the test reveals an imbalance, your doctor will recommend treatments to help you balance your T3 and T4 levels.

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Living with Perimenopause and Thyroid Health

Though it can take some time and experimentation to find a good hormone balance, adjusting your diet and lifestyle to promote thyroid health can help make the transition into menopause smoother. For example, incorporating more iodine-rich foods into your diet, getting regular exercise, and reducing stress can all help to support your thyroid health.


Perimenopause, Thyroid Health, TSH test, Estrogen, Progesterone, T3, T4, Hypothyroidism, Iodine-rich Foods, Exercise, Stress, Metabolism, Menopause.