Display options
Share it on

Iran J Pediatr. 2010 Dec;20(4):401-6.

Correlation between Umbilical Cord pH and Apgar Score in High-Risk Pregnancy.

Iranian journal of pediatrics

Mousa Ahmadpour-Kacho, Nesa Asnafi, Maryam Javadian, Mahmood Hajiahmadi, Nazila Taleghani

Affiliations

  1. Non-Communicable Pediatric Diseases Research Center, Department of Pediatrics, Babol University of Medical Sciences, Babol, IR Iran.

PMID: 23056738 PMCID: PMC3446088

Abstract

OBJECTIVE: The Apgar score as a proven useful tool for rapid assessment of the neonate is often poorly correlated with other indicators of intrapartum neonatal well-being. This study was carried out to determine the correlation between umbilical cord pH and Apgar score in high-risk pregnancies.

METHODS: This is a prospective cross-sectional, analytic study performed on 96 mother-fetal pairs during 2004-2005 at Shahid Yahyanejad Hospital, which is affiliated to Babol University of Medical Sciences. Apgar score at 1 and 5 minutes after birth was taken and an umbilical cord blood gas analysis was done immediately after birth in both groups. Mothers came with a labor pain and were divided into high-risk and low risk if they have had any perinatal risk factors. Other data like gestational age, birth weight, need for resuscitation and admission to the newborn ward or Neonatal Intensive Care Unit was gathered by a questionnaire for comparison between the two groups. P-value less than 0.05 was considered being significant.

FINDINGS: The gestational age and birth weight were the same in high-risk and low risk mothers. Mean umbilical artery blood pH in high-risk mothers was significantly lower than in low risk mothers (P=0.004). Mean Apgar scores at 1 and 5 minutes were significantly lower in high-risk mothers than in low risk mothers (P<0.05). According to the Kendal correlation coefficient there was no significant correlation between Apgar score at 1 and 5 minutes and umbilical cord pH in low risk group (r=0.212, P=0.1). But in high-risk group there was significant correlation between Apgar score at 1(st) and 5(th) minute and the umbilical cord pH (r=0.01, P=0.036 and r=0.176, P=0.146, respectively).

CONCLUSION: Combination of Apgar score and umbilical cord pH measurement in high-risk pregnant mother could better detect jeopardized baby.

Keywords: Apgar score; Blood Gas Analysis; Neonate; Pregnancy, High risk; Umbilical cord

References

  1. Gynecol Obstet Invest. 1991;32(4):220-3 - PubMed
  2. Rev Med Chil. 2002 Aug;130(8):925-30 - PubMed
  3. Curr Res Anesth Analg. 1953 Jul-Aug;32(4):260-7 - PubMed
  4. East Mediterr Health J. 2005 Jan-Mar;11(1-2):96-101 - PubMed
  5. Am J Obstet Gynecol. 2002 Jul;187(1):1-9 - PubMed
  6. Am J Obstet Gynecol. 1998 Jan;178(1 Pt 1):13-9 - PubMed
  7. Lancet. 1982 Feb 27;1(8270):494-6 - PubMed
  8. Ginecol Obstet Mex. 1999 Apr;67:188-92 - PubMed
  9. Am J Obstet Gynecol. 1992 Dec;167(6):1506-12 - PubMed
  10. Eur J Obstet Gynecol Reprod Biol. 2008 Aug;139(2):146-50 - PubMed
  11. Am J Obstet Gynecol. 2001 Sep;185(3):674-82 - PubMed
  12. Am J Obstet Gynecol. 1994 Apr;170(4):991-8; discussion 998-9 - PubMed
  13. Obstet Gynecol. 2002 Sep;100(3):557-60 - PubMed
  14. Eur J Obstet Gynecol Reprod Biol. 1994 Apr;54(2):99-102 - PubMed
  15. Am J Obstet Gynecol. 1996 Sep;175(3 Pt 1):517-22 - PubMed
  16. Clin Perinatol. 2007 Sep;34(3):451-9 - PubMed
  17. South Med J. 1983 Dec;76(12):1477-9 - PubMed
  18. Eur J Obstet Gynecol Reprod Biol. 2007 Feb;130(2):169-75 - PubMed

Publication Types