A comparison of blood spot vs

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A comparison of blood spot vs A comparison of blood spot vs. plasma analysis of gonadotropin and ovarian steroid hormone levels in reproductive-age women  Alison Edelman, M.D., Richard Stouffer, Ph.D., David T. Zava, Ph.D., Jeffrey T. Jensen, M.D.  Fertility and Sterility  Volume 88, Issue 5, Pages 1404-1407 (November 2007) DOI: 10.1016/j.fertnstert.2006.12.016 Copyright © 2007 American Society for Reproductive Medicine Terms and Conditions

Figure 1 Single-visit study blood spot vs. plasma values with regression lines for (top left) E2 (in pg/mL, n = 66), (top right) P (in ng/mL, n = 59), (bottom right) FSH (in IU/mL, n = 90), and (bottom left) LH (in IU/mL, n = 90). Edelman. Blood spot vs. plasma analysis. Fertil Steril 2007. Fertility and Sterility 2007 88, 1404-1407DOI: (10.1016/j.fertnstert.2006.12.016) Copyright © 2007 American Society for Reproductive Medicine Terms and Conditions

Figure 2 Daily blood spot (left) vs. biweekly plasma (right) sampling (FSH, in IU/mL; LH, in IU/mL; P, in ng/mL; and E2, in pg/mL) for an entire menstrual cycle in one woman. Edelman. Blood spot vs. plasma analysis. Fertil Steril 2007. Fertility and Sterility 2007 88, 1404-1407DOI: (10.1016/j.fertnstert.2006.12.016) Copyright © 2007 American Society for Reproductive Medicine Terms and Conditions