Analysis on the Trend of Birth Weight of 36551 Newborns in Last Ten Years

Jie WU; Jun LIU; Yan ZHANG; Xudong DONG; Xingzi FENG; Qinnan LU; Lingyan LIU

doi:10.12259/j.issn.2095-610X.S20220414

Volume 43 Issue 4

Apr. 2022

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Article Navigation > Journal of Kunming Medical University > 2022 > 43(4): 75-81

Jie WU, Jun LIU, Yan ZHANG, Xudong DONG, Xingzi FENG, Qinnan LU, Lingyan LIU. Analysis on the Trend of Birth Weight of 36551 Newborns in Last Ten Years[J]. Journal of Kunming Medical University, 2022, 43(4): 75-81. doi: 10.12259/j.issn.2095-610X.S20220414

Citation:

Jie WU, Jun LIU, Yan ZHANG, Xudong DONG, Xingzi FENG, Qinnan LU, Lingyan LIU. Analysis on the Trend of Birth Weight of 36551 Newborns in Last Ten Years[J]. Journal of Kunming Medical University, 2022, 43(4): 75-81. doi: 10.12259/j.issn.2095-610X.S20220414

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Analysis on the Trend of Birth Weight of 36551 Newborns in Last Ten Years

doi: 10.12259/j.issn.2095-610X.S20220414

Dept. of Obstetrics，The 1st People’s Hospital of Yunnan Province；The Affiliated Hospital of Kunming University of Science and Technology，Kunming Yunnan 650032，China

Received Date: 2022-01-01
Available Online: 2022-04-02
Publish Date: 2022-04-25

Abstract

Abstract

Objective To investigate the weight status of normal single-born live newborns of different gestational ages, obtain the latest birth weight standards of normal newborns of different gestational ages and birth weight standards of male and female newborns of different gestational ages, and draw birth weight curves of newborns. Methods A retrospective analysis was conducted on the birth weight of newborns delivered in the department of Obstetrics of Yunnan First People’ s Hospital from January 1, 2014 to December 31, 2020 without complications, severe malformation or edema during live birth. The birth weight curve was fitted by the internationally established LMSP method. The curve was drawn and checked by the Generalized Additive Model based on Position, Scale and Shape （GAMLSS） 5.3-4 software package in R4.0.2 software. Result The percentile values of birth weight P3, P10, P25, P50, P75, P90, P97 and corresponding birth weight curves were obtained from 36551 cases of newborns born alive at 26 to 42 weeks of normal gestation. There were 19, 072 males（52.18%） and 17, 479 females （47.82%）, respectively, with an average birth weight of 3 231 g and 3 128 g. The average birth weight of female newborns was 103 g less than that of male newborns, and the difference was statistically significant （P < 0.05）. The overall incidence of < gestational age and > gestational age was 8.98% and 9.29%, respectively. Conclusion It is the first time to collect the weight of single live newborn born at 26-42 weeks of normal gestation in Yunnan First People’ s Hospital in the past 10 years with large sample size and updated data. The birth curve drawn can accurately and objectively evaluate the current intrauterine growth and development status of fetuses and perinatal outcomes in Yunnan First People’ s Hospital. It provides important reference value for perinatal health care in Yunnan First People’ s Hospital and even in Kunming area.
- Infant,
- Neonatus,
- Birth weight,
- Birth weight curve

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References(14)

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