This blog explains what hormones are tested in ZRT's 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…
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.

Dr. Alison McAllister
Alison McAllister, ND is the lead clinical consultant for ZRT. She sees patients in her own practice several days a week, and has worked with ZRT for over 17 years – helping hundreds of doctors understand hormone balance and the role that hormones, neurotransmitters and elements play in overall health. She is an expert in thyroid function, fertility and PCOS. In addition, Dr. McAllister also regularly lectures for groups such as the A4M and IFM at industry conferences.
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