Restricting weight gain during pregnancy in Japan: A controversial factor in reducing perinatal complications

Tsukamoto, Hiroko; Fukuoka, Hiroshi; Inoue, Kazuko; Koyasu, Mieko; Nagai, Yasushi; Takimoto, Hidemi

doi:10.1016/j.ejogrb.2006.07.031

Cited by 53 publications

(45 citation statements)

References 24 publications

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“…Although most previous studies on this topic were conducted outside East Asia, two studies conducted in East Asia13, 14 ) reported that underweight mothers were at an increased risk of delivering a LBW infant, supporting our findings11 ) . We also found that primiparous delivery and being underweight among Japanese women of childbearing age are both independently associated with the delivery of LBW infants.…”

Section: Discussionsupporting

confidence: 88%

Combination of parity and pre-pregnancy BMI and low birth weight infants among Japanese women of reproductive age

et al. 2016

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This study aimed to examine the effects of parity and pre-pregnancy body mass index (BMI) on low birth weight (LBW) infants among Japanese women. Participants included 1,518 mothers (mean age 34.0 years) of singleton full-term infants in 2011. The incidence of LBW infants was 7.5% in primiparous women with BMI<18.5 (Group A; n=239), 4.0% in multiparous women with BMI<18.5 (Group B; n=124), 6.0% in primiparous women with 18.5≤BMI<25 (Group C; n=715), and 1.8% in multiparous women with 18.5≤BMI<25 (Group D; n=440). A multivariable logistic regression model revealed that mothers in Group A were more likely to deliver a LBW infant [odds ratio (OR) 6.41, 95% confidence interval (CI), 2.65–15.49] than were mothers in Group D. Being both underweight (OR 1.8, 95% CI: 1.05–3.11) and primiparous (OR 3.41, 95% CI: 1.82–6.44) were independently associated with LBW infants. This study demonstrated that the characteristics of primiparous and underweight in mothers are additively associated with LBW infants.

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Section: Discussionsupporting

confidence: 88%

Combination of parity and pre-pregnancy BMI and low birth weight infants among Japanese women of reproductive age

et al. 2016

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“…The proportion of LBW infants was 4.2% in 1980, 6.1% in 1990, 8.3% in 2000 and 9.6% in 2010. This has been associated with an increase in smoking prevalence, a decrease in body mass index (BMI) in young women and aggressive management of weight gain in pregnancy. Recently, LBW has been considered an independent risk factor for diabetes in studies from Europe and the USA, but data from Asia are limited.…”

Section: Introductionmentioning

confidence: 99%

Association of birthweight with diabetes and insulin sensitivity or secretion in the Japanese general population

Oya

Nakagami

Kurita

et al. 2015

J of Diabetes Invest

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Aims/IntroductionLow birthweight (birthweight <2,500 g) has been considered to be a risk factor for diabetes in data from Western countries, and its percentage is increasing in Japan. The aim of the present study was to assess the association between birth weight and diabetes, as well as both insulin resistance and secretion.Materials and MethodsThe participants were 847 adults who underwent health check-ups. The participants were divided by birthweight into four groups (low birthweight and tertiles 1–3 above it). We assessed the effect of birthweight on diabetes using a logistic regression model. Multivariable liner regression analyses were carried out to examine whether birthweight is independently associated with homeostasis model assessment of insulin resistance and β-cell function.ResultsThe prevalence of diabetes tended to increase with decreasing birthweight. The adjusted odds ratio for diabetes with low birthweight was 3.52 (1.04–11.96) as compared with the reference category, tertile 2. Univariable linear regression analyses showed that homeostasis model assessment of insulin resistance was negatively associated with birthweight, and this association remained after adjusting for age, sex, current body mass index and family history of diabetes. There was no significant association between homeostasis model assessment of β-cell function and birthweight.ConclusionsLow birthweight was inversely associated with diabetes and insulin resistance in the Japanese general population. Longitudinal data analyses are required to examine the causal relationship between bodyweight and diabetes or insulin resistance in adulthood.

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“…Although the validity of the information collected by the FFQ has been shown by a validation study [6], this information is not as detailed as that collected by dietary records because it involves recall bias [16]. Several studies have reported that the prevalence of underweight in young Japanese women is increasing, mainly owing to a strong desire to be thin, and low pregnancy weight is also increasing [2,17,18]. Low nutrition intake during pregnancy may lead to restricted maternal weight gain.…”

Section: Discussionmentioning

confidence: 99%

A Pilot Study of Total Energy, Three Major Nutrients and Food Intakes among Pregnant Women: A Comparison with Nulliparous and Multiparous Women in Miyagi, Japan

Fujita¹,

Tsubota²,

Ishida³

2015

Int J Nurs Clin Pract

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In Japan, almost one-quarter of young women in their 20s are lean, with a body mass index less than 18.5 kg/m 2 , and the number of thin pregnant women has also increased. Although the effects of several nutrients and foods have been well examined, little is known regarding the current status of foods and nutrients intake during pregnancy. The purpose of our pilot study was to investigate the current status among nutrients and foods intake during pregnancy, and parity. Study subjects who were recruited 3-4 days after delivery were admitted to three maternity hospitals in Miyagi Prefecture in 2009. We analyzed 113 postpartum women. The subjects were divided into two groups according to the parity: 52 nulliparas and 61 multiparas. The questionnaire contained the following information: age, body mass index, gestational weight gain, parity, occupation, smoking habits, infant status (gestational weeks and birth weight) and a semi-quantitative food frequency questionnaire (FFQ) inquiring about foods. We examined categorical data using the chi-square test, and compared continuous variables using Student's t-test. Among the major macronutrients(carbohydrate, protein and fat), the multiparas group showed significantly higher fat intake than the nulliparas group. The nulliparas group showed significantly higher carbohydrate intake than the multiparas group. Among food intakes, the multiparas group showed a higher intake of fish and a lower intake of fruits compared with the nulliparas group. Among the proportion of frequency of fish intake in both group, less than the nulliparas group had frequency of fish intake than did the multiparas group. Our pilot study shows that the diet of Japanese pregnant women is insufficient and far below the recommended levels. Although fish intake is also insufficient, the proportion of fish intake increases with increasing parity. Pregnancy can be an opportune time to improve nutrition and presents an ideal time for promotion of health activities. A Pilot Research ArticleOpen Access IntroductionThe trend in Japanese women's body size of being underweight is increasing, especially in young women. Almost one-quarter of young women in their 20s are lean, with a body mass index less than 18.5 kg/m 2 , and the number of thin pregnant women has also increased [1,2]. For this reason, weight gain during pregnancy was classified into three categories of recommended levels of the Maternal and Child Health Division, the MHLW [3]. Moreover, a diet food guide for pregnant women was produced by the MHLW and the Ministry of Agriculture in Japan. Nevertheless, several studies have reported that dietary intake is insufficient among Japanese women during pregnancy [4,5]. Although the effects of several nutrients and foods have been well examined, little is known regarding the current status of foods and nutrients intake during pregnancy with reproductive factors, particularly parity.The purpose of our pilot study was to investigate the current status among nutrients and foods intake during pregnanc...

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Restricting weight gain during pregnancy in Japan: A controversial factor in reducing perinatal complications

Cited by 53 publications

References 24 publications

Combination of parity and pre-pregnancy BMI and low birth weight infants among Japanese women of reproductive age

Combination of parity and pre-pregnancy BMI and low birth weight infants among Japanese women of reproductive age

Association of birthweight with diabetes and insulin sensitivity or secretion in the Japanese general population

A Pilot Study of Total Energy, Three Major Nutrients and Food Intakes among Pregnant Women: A Comparison with Nulliparous and Multiparous Women in Miyagi, Japan

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