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…

Tags: Menstruation, Fertility


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When to Choose Menstrual Cycle Mapping vs Fertility Testing

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.…

Tags: Menstruation, Fertility, PMS and PMDD


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Menstrual Cycle Mapping – Your Questions Answered

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…

Tags: Menstruation, Fertility, PMS and PMDD


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Hormones, the Menstrual Cycle & Cycle Maps

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