Hormone Health Hub: Expert Insights on Testing, Balance & Better Living — urine sample collection
Menstrual Cycle Mapping: How to Collect Your Samples
Posted by Admin on
A practical guide to the month-long urine collection schedule and the hormone markers included in cycle mapping.
Collection Timing Matters for Urine Testing
Posted by Dr. Kate Placzek on
Dried urine testing is rapidly becoming the preferred method for neurotransmitter and hormone assessment — but collection timing is everything. In this clinical overview, Dr. Kate Placzek of ZRT Laboratory explains why a single morning urine sample cannot substitute for a 4-time-point collection, how neurotransmitters like epinephrine and norepinephrine follow distinct diurnal rhythms, and why interchanging the first and second morning voids can produce grossly inaccurate results.