Abstract
Objectives:
To study the normal oxygen saturation trends and fetomaternal correlates in healthy term newborns within 30 min of life born by normal vaginal delivery (NVD) and elective cesarean section (CS).
Materials and methods::
A cross-sectional study was conducted on 200 healthy term newborns born by NVD and elective CS at a tertiary care centre. Routine care as per the Neonatal Resuscitation Program (NRP) 2015 (Wyckoff MH, Aziz K, Escobedo MB, Kapadia VS, Kattwinkel J, Perlman JM, et al. Part 13: neonatal resuscitation: 2015 American Heart Association guidelines update for cardiopulmonary resuscitation and emergency cardiovascular care. Circulation. 2015;132:S543–60) protocol was given and pre-ductal arterial oxygen saturation was assessed by pulse oximetry at different intervals after birth.
Results:
The mean peripheral oxygen saturation (SpO2) was 85.4%, 90.8%, 94.1%, 95.7%, 96.7% and 97.4% at 5, 10, 15, 20, 25 and 30 min, respectively, after birth. Higher mean SpO2 was observed in NVD compared to elective CS (P<0.005). The mean time for SpO2 to reach >90% was 9.13 min in NVD and 12.31 min in elective CS (P<0.001). Maternal hemoglobin (Hb) (r=−0.15; P<0.01), birth weight (r=−0.125; P<0.05) and Apgar at 10 min (r=0.33; P<0.001) were significantly correlated with SpO2 of newborns at 10 min of life.
Conclusion:
Our study defines normal SpO2 levels in healthy term newborns in the first 30 min of life born by NVD and elective CS. Babies born by NVD had significantly higher SpO2 levels and attained SpO2 >90% faster than those born by elective CS. Maternal Hb, birth weight and Apgar at 10 min were significant factors affecting SpO2 levels of newborns at 10 min of life.
Author’s statement
Conflict of interest: Authors state no conflict of interest.
Material and methods: Informed consent: Informed consent has been obtained from all individuals included in this study.
Ethical approval: The research related to human subject use has complied with all the relevant national regulations, and institutional policies, and is in accordance with the tenets of the Helsinki Declaration, and has been approved by the authors’ institutional review board or equivalent committee.
Contribution of authors: RB, MM and JP conceptualized the study; RB and MM were involved in data collection and analysis. JP and RB drafted the manuscript and and MM critically reviewed it.
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©2018 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
 - Review article
 - Fetal cardiac tumors: clinical features, management and prognosis
 - Original articles – Obstetrics
 - Chronic inflammatory lesions of the placenta are associated with an up-regulation of amniotic fluid CXCR3: A marker of allograft rejection
 - Gaps in obstetric care processes – we can only improve what is being measured
 - Tokophobia (fear of childbirth): prevalence and risk factors
 - Adjuvant administration of 17-α-hydroxy-progesterone caproate in women with three or more second trimester pregnancy losses undergoing cervical cerclage is no more effective than cerclage alone
 - The role of ultrasound in the prediction of birth weight discordance in twin pregnancies: are we there yet?
 - NLRP genes and their role in preeclampsia and multi-locus imprinting disorders
 - Original articles – Fetus
 - Diagnostic value of perinatal autopsies: analysis of 486 cases
 - Feto-maternal osmotic balance at term. A prospective observational study
 - Original articles – Newborn
 - Oxygen saturation trends in normal healthy term newborns: normal vaginal delivery vs. elective cesarean section
 - Causes of death among full term stillbirths and early neonatal deaths in the Region of Southern Denmark
 - Critical congenital heart disease screening with a pulse oximetry in neonates
 - DHA reduces oxidative stress following hypoxia-ischemia in newborn piglets: a study of lipid peroxidation products in urine and plasma
 - A non-invasive method to rule out transient tachypnea of the newborn (TTN): fetal pulmonary artery acceleration to ejection time ratio
 - Letter to the Editor
 - Clarification of the methods and statistics in the study “Planned home birth and the association with neonatal hypoxic ischemic encephalopathy”
 - Clarification of the methods and statistics in the study “Planned home birth and the association with neonatal hypoxic ischemic encephalopathy”
 - Reply to: Planned home birth and the association with neonatal hypoxic ischemic encephalopathy
 - Response to the Letter to the Editor, “Risk factors of uterine rupture with a special interest to uterine fundal pressure: methodological issues”
 - Re: Utility of routine urine CMV PCR and total serum IgM testing of small for gestational age infants: a single center review
 
Articles in the same Issue
- Frontmatter
 - Review article
 - Fetal cardiac tumors: clinical features, management and prognosis
 - Original articles – Obstetrics
 - Chronic inflammatory lesions of the placenta are associated with an up-regulation of amniotic fluid CXCR3: A marker of allograft rejection
 - Gaps in obstetric care processes – we can only improve what is being measured
 - Tokophobia (fear of childbirth): prevalence and risk factors
 - Adjuvant administration of 17-α-hydroxy-progesterone caproate in women with three or more second trimester pregnancy losses undergoing cervical cerclage is no more effective than cerclage alone
 - The role of ultrasound in the prediction of birth weight discordance in twin pregnancies: are we there yet?
 - NLRP genes and their role in preeclampsia and multi-locus imprinting disorders
 - Original articles – Fetus
 - Diagnostic value of perinatal autopsies: analysis of 486 cases
 - Feto-maternal osmotic balance at term. A prospective observational study
 - Original articles – Newborn
 - Oxygen saturation trends in normal healthy term newborns: normal vaginal delivery vs. elective cesarean section
 - Causes of death among full term stillbirths and early neonatal deaths in the Region of Southern Denmark
 - Critical congenital heart disease screening with a pulse oximetry in neonates
 - DHA reduces oxidative stress following hypoxia-ischemia in newborn piglets: a study of lipid peroxidation products in urine and plasma
 - A non-invasive method to rule out transient tachypnea of the newborn (TTN): fetal pulmonary artery acceleration to ejection time ratio
 - Letter to the Editor
 - Clarification of the methods and statistics in the study “Planned home birth and the association with neonatal hypoxic ischemic encephalopathy”
 - Clarification of the methods and statistics in the study “Planned home birth and the association with neonatal hypoxic ischemic encephalopathy”
 - Reply to: Planned home birth and the association with neonatal hypoxic ischemic encephalopathy
 - Response to the Letter to the Editor, “Risk factors of uterine rupture with a special interest to uterine fundal pressure: methodological issues”
 - Re: Utility of routine urine CMV PCR and total serum IgM testing of small for gestational age infants: a single center review