Evidence check: Fertility Check in the context of blood sugar

A 'Fertility Check' in the context of blood sugar is scientifically plausible because insulin resistance and impaired glucose metabolism can affect fertility (e.g., in PCOS). However, the provided context lacks specific studies or test validations. Evidence for direct links between single blood sugar markers and fertility is mostly mechanistic or observational. A DNA test for blood sugar genes (e.g., GCK) alone says little about current fertility. Caveat: Without clinical confirmation (fasting glucose, HbA1c, hormone panel), the utility of such a check is unclear. I recommend relying on established parameters and consulting a physician.