Blog — Menstrual Cycle Questions

In the complex interplay of hormones shaping a woman's body, the menstrual cycle stands as a dynamic symphony orchestrated by fluctuations in estradiol, progesterone, and luteinizing hormone (LH). Understanding these hormonal rhythms is pivotal, especially for those grappling with irregular cycles, fertility challenges, or cyclic symptoms like PMS and headaches. Fortunately, advancements in testing methodologies have ushered in a game-changer: dried urine testing. Decoding the Menstrual Cycle Estradiol and progesterone, the guardians of reproductive function, dance through a woman's cycle, guiding pivotal events. The follicular phase witnesses estradiol's rise, preparing the uterine lining and nurturing ovarian follicles. This phase peaks...

By Dr. Alison McAllister, ZRT Laboratory This article tackles some frequent questions providers might have regarding the purpose of the testing and who the ideal patient is. TESTING SPECIFICS Why urine testing instead of saliva? Saliva testing is what ZRT was founded on, and we have tested over 1.8 million individuals at this point. We are celebrating 20 years of hormone testing this year! Hurray! We love saliva testing. But, what we don’t love is having you collect every other day for 15 samples. Urine testing has the benefit of a super easy collection – wake up and pee on the strip!...