Essential Blood Tests Every Woman Over 40 Needs to Know

Navigating menopause can be tricky, especially when your symptoms don't match what your doctor might expect based on your "normal" lab results. Have you ever felt frustrated by blood work that shows "normal" levels yet still don't explain your mood swings, sugar cravings, weight gain, or lack of energy? You're not alone.

In this blog, we’re going to break down the key blood tests you should be aware of during perimenopause and menopause, and why optimal levels matter far more than general "normal" ranges.

Why Your Lab Results Matter More Than You Think

Most doctors rely on general ranges to assess lab results, but these can be misleading, especially as you navigate perimenopause or postmenopause. Why? Because normal ranges are often based on averages, which may not reflect what's actually ideal for your health at this stage in life.

Here’s a look at the essential lab tests that should be part of your health check-up. To learn more about these tests, and how to take action on your results, watch my YouTube video on this topic where I also share helpful tips to improve each of these levels.

Thyroid Stimulating Hormone (TSH)

Optimal Level: Between 0.5 - 2.5 mIU/L

The thyroid plays a critical role in metabolism, energy levels, and even mood. In perimenopause, fluctuating TSH levels can impact these functions, so it’s important to monitor this number.

Fasting Blood Glucose

Optimal Level: 70-85 mg/dL

As we age, especially during menopause, insulin resistance can develop. By keeping an eye on fasting blood glucose, you can get a sense of your risk for developing type 2 diabetes and manage it proactively.

Hemoglobin A1C

Optimal Level: Under 5.3%

A1C provides a look at your average blood sugar levels over the past two to three months. A higher A1C indicates an increased risk of diabetes and other metabolic disorders.

Vitamin D - 25 Hydroxy

Optimal Level: 50-80 ng/mL

Vitamin D supports everything from immune health to bone density, and low levels are common during menopause. If you’re low, a supplement might be necessary, especially if you’re not getting enough sun exposure.

Lipids (Triglycerides & HDL)

Optimal Triglycerides Level: Less than 100 mg/dL

Optimal HDL Level: Above 50 mg/dL

These cholesterol markers give a snapshot of your heart health. Elevated triglycerides and low HDL can increase the risk of cardiovascular disease, a concern for women in menopause.

Hormone Tests: Progesterone, Testosterone, and Estrogen

When it comes to hormone tests, the approach changes depending on whether you're in perimenopause or postmenopause, and whether you’re on hormone replacement therapy (HRT).

• Estrogen: In perimenopause, estrogen levels fluctuate too much to be a reliable indicator, but in postmenopause, estrogen levels can help guide decisions around HRT.

• Progesterone: For those experiencing sleep disruptions (outside of hot flashes) during perimenopause, testing progesterone can be helpful.

• Testosterone: If you’re struggling with low libido, it might be time to check your testosterone levels.

Waist-to-Hip Ratio: A Simple Measure for Your Health

A waist-to-hip ratio greater than 0.8 signals higher risks for heart disease and metabolic issues. Keep track of this simple metric to get a better sense of your body’s fat distribution.

In conclusion, getting these essential lab tests and understanding the optimal levels can be a game-changer as you move through perimenopause and menopause. Don’t settle for "normal" results—aim for the optimal range that supports your best health!

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Nat