Gestational weight gain velocity during each trimester is critical for both maternal health and birth outcomes in China

Yang, Zhenyu; Lai, Jianqiang

doi:10.1111/mcn.13597

Maternal & Child Nutrition

2024

DOI: 10.1111/mcn.13597

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Gestational weight gain velocity during each trimester is critical for both maternal health and birth outcomes in China

Zhenyu Yang,

Jianqiang Lai

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2024

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Cited by 2 publications

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Analysis of the outcomes and factors influencing vaginal trial labor in primiparas at term

Nian,

Yang,

Wei

2024

Arch Gynecol Obstet

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Purpose To explore the outcomes and factors influencing vaginal trial labor in primiparas with term singleton fetuses. Methods A retrospective analysis of 9174 first-time mothers who opted for a vaginal trial of labor at Peking University First Hospital from October 2019 to September 2022 was performed. The primary outcomes included the outcome of the trial of labor and influencing factors. Results Of the total population, the success rate of attempted vaginal delivery was 74.3% (6818/9174). Logistic regression analysis revealed that increasing maternal age (OR = 1.054; 95% CI = 1.239-2.316; p < 0.001), gestational weight gain (OR = 1.033; 95% CI = 1.022-1.045; p < 0.001), neonatal weight (OR = 1.971; 95% CI = 1.724-2.253; p < 0.001), prepregnancy body mass index (BMI) ≥ 24 kg/m 2 (OR = 1.605; 95% CI = 1.411-1.825; p < 0.001), prenatal BMI ≥ 24 kg/ m 2 (OR = 1.326; 95% CI = 1.137-1.546; p < 0.001), and induced labor (OR = 2.434; 95% CI = 2.187-2.708; p < 0.001) increased the risk of failed vaginal delivery attempts, and labor analgesia reduced the risk of failed vaginal delivery attempts (OR = 0.356; 95% CI = 0.320-0.397; p < 0.001). However, the use of assisted reproductive technology had no significant effect on the outcome of attempted vaginal delivery (p = 0.137). According to the partial regression coefficient, the area under the ROC curve was 0.710 (95% CI = 0.698-0.723), and the model passed the Hosmer-Lemeshow test and had good discrimination and calibration (χ 2 = 12.833, p = 0.118). The postpartum hemorrhage (PPH) rate and overall neonatal asphyxia rate differed significantly between women who had different outcomes of vaginal trial labor. Conclusions There are many factors affecting the occurrence of abnormal delivery in primiparas. These independent factors can be used for prenatal evaluation. Keywords Outcomes • Primipara • Risk factors • Vaginal trial labor What does this study add to the clinical workGiven the general trend of increasing cesarean delivery, which has been reported to be associated with adverse maternal and neonatal outcomes, this study aimed to assess the outcomes and factors influencing vaginal trial labor to provide health guidance.

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Analysis of the outcomes and factors influencing vaginal trial labor in primiparas at term

Nian,

Yang,

Wei

2024

Arch Gynecol Obstet

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Nutritional status and factors associated with gestational weight gain in the city of São Paulo, 2012 to 2020: a retrospective cohort study

Corrêa,

de Aquino Bonilha,

da Silva

et al. 2024

BMC Pregnancy Childbirth

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Background Gestational weight gain (GWG) is a critical issue related to postpartum health in newborns and mothers. In Brazil, pregnant women’s public health recommends monitoring GWG. Therefore, the objective of this study is to evaluate gestational weight gain and associated health factors of pregnant women monitored at Unified Health System (SUS) in the city of São Paulo between 2012 and 2020. Methods This is a retrospective cohort study of pregnant women seen from 2012 to 2020 in São Paulo, Brazil. The database used was from the Integrated Health Care Management System related to the Live Birth Information System. Data distribution was assessed using the Kolmogorov-Smirnov test. Comparisons between groups according to weight gain (LWG vs. AWG vs. EWG) were performed using analysis of variance (ANOVA) with Tukey post hoc. Inclusion criteria considered that pregnant women had a recorded initial weight before 13 weeks and up to 15 days before delivery and a single pregnancy. The final database includes 276.220 pregnant women. Results The frequency of women according to initial body mass index (BMI) was 12.004 (4.4%) underweight, 132.049 (48.3%) normal weight, 78.856 (28.8%) overweight, and 50.660 (18.5%) living with obesity. The population consisted of 59.881 (21.9%), 37.217 (13.6%) and 176.471 (64.5%) women with LWG, AWG and EWG, respectively. Weight gain was associated with initial BMI, type of birth, color/ethnicity, marital status, women’s age and antenatal care visits. Conclusion The proportion of pregnant women with inadequate weight gain is high, relating initial BMI, type of birth, color/ethnicity, marital status, women’s age and antenatal care visits. Interventions such as nutritional education should be suggested to help achieve adequate GWG.

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Gestational weight gain velocity during each trimester is critical for both maternal health and birth outcomes in China

Cited by 2 publications

References 14 publications

Analysis of the outcomes and factors influencing vaginal trial labor in primiparas at term

Analysis of the outcomes and factors influencing vaginal trial labor in primiparas at term

Nutritional status and factors associated with gestational weight gain in the city of São Paulo, 2012 to 2020: a retrospective cohort study

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