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<p>Diabetes is a major concern in healthcare worldwide and is detrimental to mothers and fetuses during pregnancy. However, half of the women were unaware of hyperglycemia before pregnancy, and there is no consensus on their identification during pregnancy. We aim to understand the role that diagnostic timing plays in perinatal outcomes. This was a multicenter retrospective study of all pregestational diabetes mellitus (PGDM) women who delivered from January 2021 to June 2023. Diagnoses were made before or during gestation. Characteristics and outcomes were compared among stages, and logistic regression was performed to explore the relationship between adverse outcomes and the diagnostic timing. This study included 2,818 women; 1188 (42.2%) were self-aware before pregnancy, and 286 (10.1%), 1208 (42.9%), and 136 (4.8%) were diagnosed in the first, second, and third trimesters, respectively. Maternal body mass index, hypertensive disorders during pregnancy, glucose profile, large-for-gestational-age (LGA), etc., differed among stages (all P &lt; 0.05). Logistic regression revealed that PGDM diagnosed during any trimester was significantly associated with an increased risk of macrosomia (aOR = 2.632, 1.502, 2.314; all P &lt; 0.05). However, the risk of LGA decreased if the diagnosis was based on the 2&#xa0;h value of the oral glucose tolerance test (OGTT) alone in the second trimester (aOR = 0.608, 95% CI: 0.444–0.831). No relationship existed between diagnostic timing and neonatal birth defects or hypoglycemia (both P &gt; 0.05). PGDM identified during pregnancy was significantly associated with an increased risk of fetal overgrowth. The role of the 2&#xa0;h-OGTT alone in diagnosis warrants further exploration. PGDM screening is essential for the entire gestational period. </p>

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Comparative analysis of perinatal outcomes in pregnant women with pregestational diabetes mellitus based on diagnostic timing

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年3月20日

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  • Xinyu Shu,
  • Juan Juan,
  • Xin Kang,
  • Mi Yao,
  • Xu Chen,
  • Zhuo Wei,
  • Lingyi Kong,
  • Haitian Chen,
  • Shihong Cui,
  • Fengchun Gao,
  • Ping Zhu,
  • Jianying Yan,
  • Xia Xu,
  • Li Zhang,
  • Yanxia Wang,
  • Yang Mi,
  • Huixia Yang

摘要

Diabetes is a major concern in healthcare worldwide and is detrimental to mothers and fetuses during pregnancy. However, half of the women were unaware of hyperglycemia before pregnancy, and there is no consensus on their identification during pregnancy. We aim to understand the role that diagnostic timing plays in perinatal outcomes. This was a multicenter retrospective study of all pregestational diabetes mellitus (PGDM) women who delivered from January 2021 to June 2023. Diagnoses were made before or during gestation. Characteristics and outcomes were compared among stages, and logistic regression was performed to explore the relationship between adverse outcomes and the diagnostic timing. This study included 2,818 women; 1188 (42.2%) were self-aware before pregnancy, and 286 (10.1%), 1208 (42.9%), and 136 (4.8%) were diagnosed in the first, second, and third trimesters, respectively. Maternal body mass index, hypertensive disorders during pregnancy, glucose profile, large-for-gestational-age (LGA), etc., differed among stages (all P < 0.05). Logistic regression revealed that PGDM diagnosed during any trimester was significantly associated with an increased risk of macrosomia (aOR = 2.632, 1.502, 2.314; all P < 0.05). However, the risk of LGA decreased if the diagnosis was based on the 2 h value of the oral glucose tolerance test (OGTT) alone in the second trimester (aOR = 0.608, 95% CI: 0.444–0.831). No relationship existed between diagnostic timing and neonatal birth defects or hypoglycemia (both P > 0.05). PGDM identified during pregnancy was significantly associated with an increased risk of fetal overgrowth. The role of the 2 h-OGTT alone in diagnosis warrants further exploration. PGDM screening is essential for the entire gestational period.