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.

When to Choose Menstrual Cycle Mapping vs Fertility Testing

Posted by Dr. Sherry LaBeck on Monday, 23 April

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In 2008 ZRT Laboratory introduced the Fertility Profile to assist women in identifying possible hormonal causes of infertility. More recently ZRT launched the Menstrual Cycle Mapping (MCM) test that allows women to map time points throughout their menstrual cycle, measuring levels of estrogen, progesterone and luteinizing hormone (LH).

Since the MCM test was introduced there has been some confusion as to which test is best to evaluate fertility/infertility. The aim of this blog is to clarify the differences between the two tests and when best to use each.

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Menstrual Cycle Mapping – Your Questions Answered

Posted by Dr. Alison McAllister on Friday, 02 February

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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

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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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