| Labor does not affect the neonatal absolute nucleated red blood cell count. | |
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MedLine Citation:
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PMID: 14655093 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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We investigated whether the presence or absence of physiologic labor may affect the neonatal nucleated red blood cell (RBC) count. We compared absolute nucleated RBC counts taken at approximately 6 hours of life in term infants born by elective cesarean delivery without trial of labor ( n = 32) and in vaginally delivered infants ( n = 28). Venous blood samples were analyzed and differential cell counts were performed manually; absolute nucleated RBC were counted and expressed as an absolute number. There were no significant differences between groups in birth weight, gestational age, maternal age, gravidity, parity, maternal analgesia during labor, 1- and 5-minute Apgar scores, and infant sex. There was a significantly higher hematocrit and RBC count in the vaginally delivered group as compared with the cesarean group. The absolute nucleated RBC, corrected leukocyte and lymphocyte, and platelet counts were strikingly similar in both groups. We conclude that labor does not affect the neonatal nucleated RBC count. This finding supports the speculation that physiologic labor does not induce a fetal hypoxemia severe or prolonged enough to produce hematological evidence of increased erythropoiesis. |
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Authors:
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Galit Sheffer-Mimouni; Francis B Mimouni; Ronit Lubetzky; Michael Kupferminc; Verda Deutsch; Shaul Dollberg |
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Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: American journal of perinatology Volume: 20 ISSN: 0735-1631 ISO Abbreviation: Am J Perinatol Publication Date: 2003 Oct |
Date Detail:
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Created Date: 2003-12-05 Completed Date: 2004-03-24 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 8405212 Medline TA: Am J Perinatol Country: United States |
Other Details:
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Languages: eng Pagination: 367-71 Citation Subset: IM |
Affiliation:
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Department of Obstetrics and Gynecology, Lis Maternity Hospital, Tel Aviv, Israel. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Cesarean Section Delivery, Obstetric* Erythrocyte Count* Female Humans Infant, Newborn / physiology* Labor, Obstetric / physiology* Male Pregnancy Prospective Studies |
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