Replicability of leptin associations with testosterone, estradiol, follicle-stimulating hormone, and luteinizing hormone in healthy Ache men of Paraguay: A multiple daily assessment.

We conclude (a) FSH, TsalPM, and leptin levels within individual men are relatively invariant over a span of days; (b) despite small sample sizes, results suggest ecological and lifestyle variation can contribute to variation in leptin associations with male reproductive hormones.