Neonatal Birthweight Spectrum: Maternal Risk Factors and Pregnancy Outcomes in Saudi Arabia

Autor: Hayfaa Wahabi, Hala Elmorshedy, Yasser S. Amer, Elshazaly Saeed, Abdul Razak, Ibrahim Abdelaziz Hamama, Adnan Hadid, Samia Ahmed, Sarah A. Aleban, Reema Abdullah Aldawish, Lara Sabri Alyahiwi, Haya Abdullah Alnafisah, Raghad E. AlSubki, Norah Khalid Albahli, Aljohara Ayed Almutairi, Layan Fahad Alsanad, Amel Fayed
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Medicina, Vol 60, Iss 2, p 193 (2024)
Druh dokumentu: article
ISSN: 1648-9144
1010-660X
DOI: 10.3390/medicina60020193
Popis: Background and Objectives: Low-birth-weight (LBW) neonates are at increased risk of morbidity and mortality which are inversely proportional to birth weight, while macrosomic babies are at risk of birth injuries and other related complications. Many maternal risk factors were associated with the extremes of birthweight. The objectives of this study are to investigate maternal risk factors for low and high birthweight and to report on the neonatal complications associated with abnormal birth weights. Materials and Methods: We conducted a retrospective analysis of medical records of deliveries ≥ 23 weeks. We classified the included participants according to birth weight into normal birth weight (NBW), LBW, very LBW (VLBW), and macrosomia. The following maternal risk factors were included, mother’s age, parity, maternal body mass index (BMI), maternal diabetes, and hypertension. The neonatal outcomes were APGAR scores < 7, admission to neonatal intensive care unit (NICU), respiratory distress (RD), and hyperbilirubinemia. Data were analyzed using SAS Studio, multivariable logistic regression analyses were used to investigate the independent effect of maternal risk factors on birthweight categories and results were reported as an adjusted odds ratio (aOR) and 95% Confidence Interval (CI). Results: A total of 1855 were included in the study. There were 1638 neonates (88.3%) with NBW, 153 (8.2%) with LBW, 27 (1.5%) with VLBW, and 37 (2.0%) with macrosomia. LBW was associated with maternal hypertension (aOR = 3.5, 95% CI = 1.62–7.63), while increasing gestational age was less likely associated with LBW (aOR = 0.51, 95% CI = 0.46–0.57). Macrosomia was associated with maternal diabetes (aOR = 3.75, 95% CI = 1.67–8.41), in addition to maternal obesity (aOR = 3.18, 95% CI = 1.24–8.14). The odds of VLBW were reduced significantly with increasing gestational age (aOR = 0.41, 95% CI = 0.32–0.53). In total, 81.5% of VLBW neonates were admitted to the NICU, compared to 47.7% of LBW and 21.6% of those with macrosomia. RD was diagnosed in 59.3% of VLBW neonates, in 23% of LBW, in 2.7% of macrosomic and in 3% of normal-weight neonates. Hyperbilirubinemia was reported in 37.04%, 34.21%, 22.26%, and 18.92% of VLBW, LBW, NBW, and macrosomic newborns, respectively. Conclusions: Most neonates in this study had normal birthweights. Maternal hypertension and lower gestational age were associated with increased risk of LBW. Additionally, maternal obesity and diabetes increased the risk of macrosomia. Neonatal complications were predominantly concentrated in the LBW and VLBW, with a rising gradient as birthweight decreased. The main complications included respiratory distress and NICU admissions.
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