Larger-volume capillary blood sampling is a valid alternative to assess progesterone and 17ß-estradiol for cycle phase identification in tactical female athletes
Schlie J, Fellinger E, Albrecht S, Güldenstern J and Schmidt A (2026) Larger-volume capillary blood sampling is a valid alternative to assess progesterone and 17ß-estradiol for cycle phase identification in tactical female athletes. Front. Physiol. 16:1743330. doi: https://doi.org/10.3389/fphys.2025.1743330