Hormone Health Hub: Expert Insights on Testing, Balance & Better Living — insulin and ovulation

PCOS-related fertility challenges are often driven by hidden insulin resistance, hormone timing issues, and overlooked thyroid or adrenal imbalances. This guide explains the most effective fertility tests and treatment strategies for PCOS—showing how cycle mapping, metabolic testing, and personalized interventions can restore ovulation, improve egg quality, and support long-term hormonal health.

If you are experiencing infertility issues, understanding which hormones to test — and why — is the essential first step. Dr. Alison McAllister of ZRT Laboratory explains the full fertility hormone profile: from LH and FSH as indicators of ovarian reserve, to estradiol, progesterone and testosterone for ovulation health, adrenal hormones cortisol and DHEA-S, thyroid markers including TPO antibodies, and the often-overlooked role of vitamin D in fertility and PCOS.