The ZRT Laboratory Blog

The ZRT Blog is an extensive resource for patients and health care providers searching for health and hormone testing information. Here, you can read about ZRT’s cutting edge research, advances in testing, wellness advice, and health industry highlights.

Looking Back: Popular Provider Blog Posts of 2016

Posted by ZRT Laboratory on Monday, 09 January

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As we step into 2017 ready to further our understanding of how hormone imbalance affects health, we wanted to take a brief moment to reflect on the top stories of 2016 that captured your attention on the ZRT Blog.

Following is a round-up of 2016's most popular posts for practitioners.


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Do Hormonal Contraceptives Increase Risk of Depression?

Posted by Margaret Groves on Saturday, 08 October

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Practical Takeaway: A recent study found the risk of depression with contraceptive use decreased with increasing age, and was highest in the youngest age group studied, namely teenagers aged 15-19, than in the women aged 20-34.

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How Pill Contraceptives Affect Mood & Behavior

Posted by Dr. Kate Placzek on Thursday, 12 May

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Reliable contraception is a monumental achievement of the last century. Very effective at preventing pregnancy, oral contraceptives, generally referred to as "the Pill," are commonly prescribed to women of reproductive age.

Aside from contraceptive purposes, the Pill can also be used to treat gynecological disorders such as irregular or excessive bleeding, polycystic ovarian syndrome (PCOS), severe menstrual cramping, acne, and endometriosis-associated pain, and their use has been associated with a reduced risk of endometrial cancer. 

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Guide for Interpreting Testing Levels for Hormone Contraceptive Users

Posted by Dr. Sherry LaBeck on Friday, 11 March

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Interpretation of hormone testing using saliva, dried blood spot, or serum can be tricky when women are using oral, patch, or other hormonal contraception methods.

The types of hormones in these contraceptives are synthetic, and although they may be close to the molecular structure of our body's own estradiol or progesterone, they are not bioidentical. While bioidentical hormones used as supplements react in the same way as our endogenous hormones to the specific antibodies used during hormone testing, non-bioidentical hormones aren’t recognized by these antibodies so they are not measured by the same test.

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