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science behind kegg

Did you know that to maximize the likelihood of conception, intercourse should occur on days with optimal mucus quality, regardless of the exact timing relative to ovulation?



Probability of Pregnancy from Intercourse on Days Relative to Ovulation

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Cervical mucus plays a key role in conception. Not only is cervical mucus responsible for nourishing and protecting the sperm but it also serves as the medium in which the sperm must travel to fertilize the egg.

Changes in mucus quality across the fertile window predict the observed pattern in the day‐specific probabilities of conception.

kegg uses advanced sensor technology, known as impedance, to achieve more robust fluid sensing when detecting changes in vaginal fluids.

Using this technology, kegg is intended to help predict a more accurate and precise ovulation window in comparison to probability-based solutions, which estimate ovulation windows and so are rarely accurate for irregular cycles.


kegg mobile app view of a woman's cycle with optional fertility data logged


According to studies, women typically have the most fertile cervical mucus 2-3 days before ovulation, which are typically a woman’s best chances for conception*. This is why kegg primarily senses the changes in vaginal fluids.

* Jamie L. et al., Mucus observations in the fertile window: a better predictor of conception than timing of intercourse, Human Reproduction, Volume 19, Issue 4, April 2004

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