DUTCH blog

Study supporting DUTCH testing – Improved Serum Correlation

By Mark Newman, MS

I’ve been anxiously waiting for all our data to roll in from an exciting study, and we’re now ready to share it. What we did…

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Should You Test A Woman On The Birth Control Pill?

By Mark Newman, MS

To the point: Women on birth control pills have suppressed estrogen and progesterone. If you wonder why their progesterone and estrogen levels are low –…

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Melatonin Testing Update

By Mark Newman, MS

Melatonin Testing Testing for melatonin is very important however this depends on whether or not your patient is sleeping and if they take melatonin to…

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Common Medications May Cause Adrenal Insufficiency

By Mark Newman, MS

Everyone knows that taking corticosteroids like Prednisone can be suppressive to the adrenal glands – this is why they are usually dosed in a tapering…

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Measuring Estrone (E1) and Estriol (E3)

By Mark Newman, MS

At a recent conference I was asked my opinion on what to do with a patient who had a certain ratio of estriol / (estrone…

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