Should You Test A Woman On The Birth Control Pill?
November 10, 2015 by Mark Newman
To the point: Women on birth control pills have suppressed estrogen and progesterone. If you wonder why their progesterone and estrogen levels are low –…
Limitation and Caveats on Saliva Testing
June 24, 2015 by Mark Newman
Our last educational email was about the limitations and caveats of our dutch testing (as well as urine testing in general). In this post, we…
Limitations of Lab Testing
June 23, 2015 by Mark Newman
I have three important educational videos to share with you. You will definitely learn some things you didn’t know about each of these tests if…
Saliva Case Study
June 12, 2015 by Mark Newman
The following is an interesting case study that highlights the challenge of using saliva testing when monitoring oral progesterone (it is also an interesting example…
Melatonin Testing Update
May 27, 2015 by Mark Newman
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…
Common Medications May Cause Adrenal Insufficiency
April 30, 2015 by Mark Newman
Everyone knows that taking corticosteroids like Prednisone can be suppressive to the adrenal glands – this is why they are usually dosed in a tapering…
A few thoughts from the desk of Dr. Carrie Jones: Clinical Pearls on SHBG and DHEA
April 24, 2015 by Mark Newman
Sex Hormone Binding Globulin (SHBG) Clinical Pearls (even though we don’t test it) Commonly when we talk with all of you smart clinicians, you have…
Is It Profitable to Test Patients Being Treated for Breast Cancer for Estrogen Metabolites?
July 4, 2014 by Mark Newman
As with so many questions the answer is probably…”it depends!” We believe that 4-OH estrogens are especially problematic with respect to breast cancer risk. Should…
Measuring Estrone (E1) and Estriol (E3)
April 24, 2014 by Mark Newman
At a recent conference I was asked my opinion on what to do with a patient who had a certain ratio of estriol / (estrone…