2008, Number 09
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Ginecol Obstet Mex 2008; 76 (09)
Peruvian newborn fetal growth according to its sex, geographical area, and maternal parity and height
Ticona RM, Huanco AD
Language: Spanish
References: 23
Page: 512-519
PDF size: 284.30 Kb.
ABSTRACT
Background: Birth weight is the most important indicator of fetal growth, fetal development, and nutritional estate of newborn, and several factors affect it.
Objective:To know the fetal growth of Peruvian newborns according to fetal sex, maternal parity and height, and geographical area.
Material and method: Prospective and cross sectional study. Successive newborn data of 29 hospitals of Ministerio de Salud del Peru was obtained during 2005 year, all of them without intrauterine growth delay. Student
t test was used to compare: male and female, primiparous and multiparous, and coast, mountain, and rainforest newborn average weight (meaningful difference:
p ‹ 0.05). Maternal height was related to newborn weight, height, cephalic perimeter, and gestational age.
Results: From 50,568 selected alive newborns, male had an average weight from 19 to 41 g higher than female, and multiparous newborns had from 22 to 53 g more than primiparous newborns. Maternal height has a direct connection with newborn weight, height, and cephalic perimeter. Coast newborns had an average weight from 133 to 210 g higher than those from mountain, and from 76 to 142 g higher than those from rainforest; average weight of rainforest newborns was from 19 to 83 g higher to those from mountain. Weight differences due to fetal sex, maternal parity and height, and geographic region were meaningful among 36 to 42 weeks of gestation.
Conclusions: Fetal sex, maternal parity and height, and geographical region affect newborn weight. It is recommended to use weight and gestational age as correction factors to appropriately classify Peruvian newborns.
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