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.

Menstrual Cycle Mapping – Your Questions Answered

Posted by Dr. Alison McAllister on Friday, 02 February

Clinician pointing to menstrual cycle mapping graphs

ZRT has launched a month-long hormone assessment in dried urine called the Menstrual Cycle Mapping test. This is what some call the 28-day hormone test. In our profile, we test estrogen, progesterone, and LH levels throughout a month. 

This article tackles some frequent questions providers might have regarding the purpose of the testing and who the ideal patient is.

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Hormones, the Menstrual Cycle & Cycle Maps

Posted by Dr. Alison McAllister on Thursday, 14 December

Woman looking upwards with hand on her forehead

The menstrual cycle is a symphony of hormones coordinated to yield an egg and to prepare the uterus and breast tissue for pregnancy. For most women, pregnancy will only take place in a very small percentage of cycles.

However, the monthly surge and fall of hormones starting in menarche and ending in menopause influences the brain, breast and uterus of women and may result in numerous symptoms throughout the month.

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Mental Health & Hormonal Imbalance in Game of Thrones

Posted by Kori Wallace on Friday, 14 July

Illustration of wolf

It may be summer outside, but for many of us winter is coming in July this year. Finally, this is the weekend when the new season of Game of Thrones arrives!

The richly twisted story makes you love to hate the Lannisters, and root for the Starks and Targaryen (or is it Targaryens?). And while I'm counting down the days, I can’t help but recount my careful dissections from the end of last season.

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Feel Awful at "That Time of The Month"? It's More than Just Your Hormones.

Posted by Dr. Kate Placzek on Saturday, 16 July

Woman runs down the beach holding red balloons

Historically a taboo subject, menstruation has long been stigmatized as unclean and negative; provoking multiple complex cultural values.

Since starting to talk publically about periods, we know so much more about the biochemical basics and physical aspects of menstruation. We are now also beginning to better understand the underlying interplay of sex-hormones with neurotransmitters that create the harmony of a normal menstrual cycle, or the symptom havoc seen with PMS, or its more severe form PMDD. 

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