Gender-related heart rate differences in human neonates

The aim of the present study was to examine gender-related differences in heart rate of human neonates controlled for their behavior. Previous studies could not find any difference in male and female fetuses and newborns, although this gender-dependent difference clearly exists in children and adult...

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Bibliographic Details
Published inPediatric research Vol. 47; no. 6; pp. 778 - 780
Main Authors NAGY, E, ORVOS, H, BARDOS, G, MOLNAR, P
Format Journal Article
LanguageEnglish
Published Hagerstown, MD Lippincott Williams & Wilkins 01.06.2000
Subjects
Biological and medical sciences
Delivery. Postpartum. Lactation
Female
Gynecology. Andrology. Obstetrics
Heart Rate
Humans
Infant, Newborn - physiology
Male
Maternal, fetal and perinatal monitoring
Medical sciences
Sex Factors
Human
Heart rate
Newborn
Sexual dimorphism
Sex
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Summary:The aim of the present study was to examine gender-related differences in heart rate of human neonates controlled for their behavior. Previous studies could not find any difference in male and female fetuses and newborns, although this gender-dependent difference clearly exists in children and adults. The heart rate of 99 newborns (47 girls and 52 boys) was measured with simultaneous video recording of their behavior. Results proved that alert newborns showed the same difference as adults: boys had a significantly lower baseline heart rate than girls. This suggests that heart rate is gender-dependent from birth onward.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:0031-3998
1530-0447
DOI:10.1203/00006450-200006000-00016