kegg identifies a user’s fertile window by sensing changes in electrolyte levels of vaginal fluids that correspond to hormonal levels. While breastfeeding, hormone levels may fluctuate or be suppressed resulting in an irregular or absent menstrual cycle. Moreover, the hormone prolactin is elevated in women producing breast milk. Prolactin directly affects fluid and electrolyte production in the human body which could impact kegg results. Therefore, we recommend waiting until after two consecutive periods following completion of breastfeeding to begin fertility monitoring with kegg, as results will be most accurate in regular, non-breastfeeding cycles.
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