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Updated: Aug 18, 2026

Determination of Reproductive Competence by Confirming Pubertal Onset and Performing a Fertility Assay in Mice and Rats
Published on: October 13, 2018
Potential fertility--defining the window of opportunity
1Department of Obstetrics and Gynaecology, Guy's, King's and St Thomas' School of Medicine, King's College Hospital, London, UK.
Abstract:
The ClearPlan Easy Fertility Monitor predicts the times of high potential fertility, i.e. the times when sexual intercourse is most likely to result in conception. The test procedure identifies the times of specified changes in the concentration of urinary hormone metabolites during each ovarian cycle. The results are displayed in terms of prior knowledge about the time-specific probabilities of conception. This paper contains a summary of the scientific background that led to the development of the ClearPlan Easy Fertility Monitor.
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