Blog — Fertility

Having Infertility issues? Which Hormones to Test

Posted by Ben White on

If you are experiencing infertility issues this blog is for you. The purpose of this blog is to explain what hormones are tested in Fertility Profile and why each one is important. LH & FSH are pituitary hormones, which means they affect the brain. Their communication with growing egg follicles in the ovaries is one of the only positive feedback loops in the body. On day three or four of the menstrual cycle (day one is the first day of the period) LH & FSH are at their lowest level. This relationship is normally a 1 to 1 function, but some women...

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Clinical Pearls on Fertility, Infertility & Hormones

Posted by Ben White on

In this engaging and wide-ranging discussion of Fertility, Infertility and the Role of Hormone Testing, Dr. Alison McAllister, lead clinical consultant at ZRT, shares her considerable knowledge about the challenges of infertility and the heartbreak of those struggling to have a baby of their own. Sadly, it is a growing problem that affects 1 in 8 couples and millions of people around the world. As a naturopath who looks at all aspects of infertility: physical, mental and emotional, McAllister aims not only to help couples become pregnant, but stay pregnant for the 9 months until a healthy baby is delivered into their arms.  Infertility is commonly...

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When to Choose Menstrual Cycle Mapping vs Fertility Testing

Posted by Ben White on

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. Menstrual Cycle Mapping The MCM profile measures estrone-3-glucuronide (E1G), pregnanediol-3-glucuronide (PDG) and luteinizing hormone...

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