Abstract
Objective To establish age-stratified reference values for salivary luteal P levels.
Design One hundred thirty-six regularly menstruating women (18 to 48 years of age), screened for weight, exercise, and steroid medication use, collected daily saliva samples for one complete menstrual cycle. Luteal P levels were measured by 3H-RIA, and data were aligned by day of next menstrual onset. Means (+/- 1 SD range) and percentiles, calculated using both untransformed and log transformed data, were calculated for each luteal day and for indices of luteal P production.
Results Reference values for salivary daily luteal P levels and indices of luteal P are presented for three age groups (18 to 24 years, 25 to 39 years, and 40 to 48 years).
Conclusion The age-stratified reference values presented here can be used, without collateral clinical procedures, to assess salivary luteal P levels. Salivary monitoring is ideally suited for research and long-term clinical observation, but the characteristics of salivary P data may limit the usefulness of these values for individual diagnosis.
salivary progesterone reference values, non-invasive progesterone monitoring, luteal phase progesterone measurement, age stratified progesterone norms, saliva hormone testing menstrual cycle, daily progesterone tracking, progesterone radioimmunoassay saliva, luteal function assessment methods, home progesterone monitoring, menstrual cycle biomarker reference ranges
Keywords
Adolescent, Adult, Aging/metabolism, Corpus Luteum/metabolism, Female, Humans, Middle Aged, Progesterone/metabolism, Radioimmunoassay, Reference Values, Regression Analysis, Saliva/metabolism, Time Factors, Progesterone,