OESTRADIOL IN SALIVA DURING THE MENSTRUAL CYCLE

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Abstract
Summary: Sixteen women provided saliva samples throughout a menstrual cycle and the concentration of oestradiol was measured. Blood samples were taken around mid‐cycle and the luteinizing hormone peak was used to diagnose the timing of ovulation. The levels of oestradiol in saliva followed the same pattern as in blood. The peak of oestradiol in saliva could be used to predict accurately the time of onset of the next menstrual period. The analysis of saliva could be useful in the investigation of women in whom serial venepunctures are not possible.