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Impact of pre-pregnant body mass index and gestational weight gain on the development of hypertensive disorders of pregnancy: the KODMO study
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- Matoba Yuka
- Department of Diabetes, Endocrinology and Metabolism, NHO Kokura Medical Center, Kitakyushu 802-8533, Japan Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan Department of Endocrinology and Metabolism, JCHO Kyushu Hospital, Kitakyushu 806-8501, Japan
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- Ishikawa Misato
- Department of Diabetes, Endocrinology and Metabolism, NHO Kokura Medical Center, Kitakyushu 802-8533, Japan Department of Endocrinology, Metabolism and Hypertension Research, Clinical Research Institute, NHO Kyoto Medical Center, Kyoto 612-8555, Japan
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- Tsutsumida Natsuo
- Department of Diabetes, Endocrinology and Metabolism, NHO Kokura Medical Center, Kitakyushu 802-8533, Japan
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- Yamada Kentaro
- Department of Diabetes, Endocrinology and Metabolism, NHO Kokura Medical Center, Kitakyushu 802-8533, Japan
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- Imazono Naohiro
- Department of Diabetes, Endocrinology and Metabolism, NHO Kokura Medical Center, Kitakyushu 802-8533, Japan
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- Hayashi Kano
- Department of Diabetes, Endocrinology and Metabolism, NHO Kokura Medical Center, Kitakyushu 802-8533, Japan
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- Abe Junki
- Department of Diabetes, Endocrinology and Metabolism, NHO Kokura Medical Center, Kitakyushu 802-8533, Japan
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- Kawakami Kosuke
- Department of Obstetrics and Gynecology, NHO Kokura Medical Center, Kitakyushu 802-8533, Japan
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- Ookura Naofumi
- Department of Obstetrics and Gynecology, NHO Kokura Medical Center, Kitakyushu 802-8533, Japan
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- Ogawa Yoshihiro
- Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan Department of Clinical Research, NHO Kokura Medical Center, Kitakyushu 802-8533, Japan
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Description
<p>Obese pregnant women are more likely to develop hypertensive disorders of pregnancy (HDP), which puts them at risk for future cardiovascular events and type 2 diabetes. This study aimed to investigate the relationship between body weight and HDP in nondiabetic singleton-pregnant women. We examined the KODMO database, which included 5,120 pregnant women who gave birth at NHO Kokura Medical Center between January 2009 and December 2019, excluding those with pre-existing diabetes mellitus, hypertension, or multiple pregnancies. A multivariate logistic regression analysis of potential HDP risk factors revealed that both pre-pregnancy body mass index (BMI) and gestational weight gain (GWG) were independent risk factors. The estimated impact was considerably greater in women with higher pre-pregnancy BMI, with odds ratios of 1.60 (95% CI: 1.18–2.18, p = 0.0025) for obesity degree 1 (25 ≤ BMI < 30 kg/m2) and 3.42 (95% CI: 2.35–5.01, p < 0.0001) for obesity degree ≥2 (BMI ≥ 30 kg/m2) (reference: normal weight [18.5 ≤ BMI < 25 kg/m2]). GWG was further investigated by stratifying BMI categories, which revealed that obese pregnant women have a risk of developing HDP even with the normal GWG defined by current guidelines. The odds ratio of HDP in pregnant women with normal GWG was 1.79 (95% CI: 1.02–3.41, p = 0.0436) in obesity degree 1 and 3.25 (95% CI: 1.57–6.74, p < 0.0001) in obesity degree ≥2. The impact of GWG as a modifiable factor of HDP varies with pre-pregnancy BMI, highlighting the importance of weight management before and during pregnancy.</p>
Journal
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- Endocrine Journal
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Endocrine Journal advpub (0), 2025
The Japan Endocrine Society