The relationship between HDL cholesterol and fertility is complex and not fully established. HDL is crucial for steroid hormone synthesis, as it transports cholesterol to the adrenal glands and gonads, which is necessary for producing sex hormones like estrogen and testosterone. Some studies suggest that very low HDL levels may be associated with reduced fertility in both women and men, potentially affecting egg quality or sperm function. However, the evidence is moderate and often confounded by factors such as obesity, insulin resistance, or inflammation. An abnormal HDL level is not a direct fertility marker but rather an indicator of overall metabolic health. MyBody-X tests can measure HDL, but they do not replace comprehensive fertility evaluation. Interpretation should always consider the full lipid profile and lifestyle. A healthy lifestyle with regular exercise, unsaturated fats, and moderate alcohol intake can positively influence HDL – but whether this directly improves fertility is not sufficiently proven.
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