A comparison of blood spot vs. plasma analysis of gonadotropin and ovarian steroid hormone levels in reproductive-age women

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Abstract

Objective: To compare LH, FSH, P, and E2 levels obtained from blood spot vs. plasma (single-visit study) and to determine whether blood spots can document circulating hormone levels during ovulatory cycles (menstrual-cycle study). Design: Cross-sectional study. Setting: Academic center. Patient(s): Women 18-35 years of age with regular menstrual cycles and no recent use of hormonal contraception. Intervention(s): Women contributed both a blood spot sample from a finger-stick and a plasma sample through venipuncture on a random day within their menstrual cycle (n = 100, single study visit). Five additional women were followed for an entire menstrual cycle with biweekly venipuncture and daily self-collected blood spot sampling. Samples were analyzed for FSH, LH, P, and E2. Main Outcome Measure(s): Correlation between blood spot and plasma levels. Result(s): Significant positive correlations were found between the blood spot and plasma samples in the single-visit study (r2: FSH, 0.91; LH, 0.93; P, 0.83; and E2, 0.70). Two of the 5 menstrual-cycle study women had ovulatory cycles based on P levels (>3 ng/mL) and an LH surge. Daily blood spot sampling was better able to document hormonal changes than biweekly venipuncture. Conclusion(s): Blood spot monitoring of FSH, LH, P, and, to a lesser extent, E2, appears to be as valid as traditional plasma assays for clinical research and care.

Original languageEnglish (US)
Pages (from-to)1404-1407
Number of pages4
JournalFertility and Sterility
Volume88
Issue number5
DOIs
StatePublished - Nov 2007

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Gonadotropins
Menstrual Cycle
Steroids
Hormones
Phlebotomy
Contraception
Fingers
Cross-Sectional Studies
Outcome Assessment (Health Care)
Research

Keywords

  • Blood spot
  • enzyme immunoassay
  • estradiol
  • FSH
  • gonadotropins
  • hormone monitoring
  • LH
  • ovulation
  • progesterone

ASJC Scopus subject areas

  • Obstetrics and Gynecology

Cite this

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title = "A comparison of blood spot vs. plasma analysis of gonadotropin and ovarian steroid hormone levels in reproductive-age women",
abstract = "Objective: To compare LH, FSH, P, and E2 levels obtained from blood spot vs. plasma (single-visit study) and to determine whether blood spots can document circulating hormone levels during ovulatory cycles (menstrual-cycle study). Design: Cross-sectional study. Setting: Academic center. Patient(s): Women 18-35 years of age with regular menstrual cycles and no recent use of hormonal contraception. Intervention(s): Women contributed both a blood spot sample from a finger-stick and a plasma sample through venipuncture on a random day within their menstrual cycle (n = 100, single study visit). Five additional women were followed for an entire menstrual cycle with biweekly venipuncture and daily self-collected blood spot sampling. Samples were analyzed for FSH, LH, P, and E2. Main Outcome Measure(s): Correlation between blood spot and plasma levels. Result(s): Significant positive correlations were found between the blood spot and plasma samples in the single-visit study (r2: FSH, 0.91; LH, 0.93; P, 0.83; and E2, 0.70). Two of the 5 menstrual-cycle study women had ovulatory cycles based on P levels (>3 ng/mL) and an LH surge. Daily blood spot sampling was better able to document hormonal changes than biweekly venipuncture. Conclusion(s): Blood spot monitoring of FSH, LH, P, and, to a lesser extent, E2, appears to be as valid as traditional plasma assays for clinical research and care.",
keywords = "Blood spot, enzyme immunoassay, estradiol, FSH, gonadotropins, hormone monitoring, LH, ovulation, progesterone",
author = "Alison Edelman and Richard Stouffer and Zava, {David T.} and Jeffrey Jensen",
year = "2007",
month = "11",
doi = "10.1016/j.fertnstert.2006.12.016",
language = "English (US)",
volume = "88",
pages = "1404--1407",
journal = "Fertility and Sterility",
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T1 - A comparison of blood spot vs. plasma analysis of gonadotropin and ovarian steroid hormone levels in reproductive-age women

AU - Edelman, Alison

AU - Stouffer, Richard

AU - Zava, David T.

AU - Jensen, Jeffrey

PY - 2007/11

Y1 - 2007/11

N2 - Objective: To compare LH, FSH, P, and E2 levels obtained from blood spot vs. plasma (single-visit study) and to determine whether blood spots can document circulating hormone levels during ovulatory cycles (menstrual-cycle study). Design: Cross-sectional study. Setting: Academic center. Patient(s): Women 18-35 years of age with regular menstrual cycles and no recent use of hormonal contraception. Intervention(s): Women contributed both a blood spot sample from a finger-stick and a plasma sample through venipuncture on a random day within their menstrual cycle (n = 100, single study visit). Five additional women were followed for an entire menstrual cycle with biweekly venipuncture and daily self-collected blood spot sampling. Samples were analyzed for FSH, LH, P, and E2. Main Outcome Measure(s): Correlation between blood spot and plasma levels. Result(s): Significant positive correlations were found between the blood spot and plasma samples in the single-visit study (r2: FSH, 0.91; LH, 0.93; P, 0.83; and E2, 0.70). Two of the 5 menstrual-cycle study women had ovulatory cycles based on P levels (>3 ng/mL) and an LH surge. Daily blood spot sampling was better able to document hormonal changes than biweekly venipuncture. Conclusion(s): Blood spot monitoring of FSH, LH, P, and, to a lesser extent, E2, appears to be as valid as traditional plasma assays for clinical research and care.

AB - Objective: To compare LH, FSH, P, and E2 levels obtained from blood spot vs. plasma (single-visit study) and to determine whether blood spots can document circulating hormone levels during ovulatory cycles (menstrual-cycle study). Design: Cross-sectional study. Setting: Academic center. Patient(s): Women 18-35 years of age with regular menstrual cycles and no recent use of hormonal contraception. Intervention(s): Women contributed both a blood spot sample from a finger-stick and a plasma sample through venipuncture on a random day within their menstrual cycle (n = 100, single study visit). Five additional women were followed for an entire menstrual cycle with biweekly venipuncture and daily self-collected blood spot sampling. Samples were analyzed for FSH, LH, P, and E2. Main Outcome Measure(s): Correlation between blood spot and plasma levels. Result(s): Significant positive correlations were found between the blood spot and plasma samples in the single-visit study (r2: FSH, 0.91; LH, 0.93; P, 0.83; and E2, 0.70). Two of the 5 menstrual-cycle study women had ovulatory cycles based on P levels (>3 ng/mL) and an LH surge. Daily blood spot sampling was better able to document hormonal changes than biweekly venipuncture. Conclusion(s): Blood spot monitoring of FSH, LH, P, and, to a lesser extent, E2, appears to be as valid as traditional plasma assays for clinical research and care.

KW - Blood spot

KW - enzyme immunoassay

KW - estradiol

KW - FSH

KW - gonadotropins

KW - hormone monitoring

KW - LH

KW - ovulation

KW - progesterone

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