Maternal Prepregnancy Body Mass Index and Gestational Weight Gain on Pregnancy Outcomes

Li, Nan; Liu, Enqing; Guo, Jia; Pan, Lei; Li, Baojuan; Wang, Ping; Liu, Jin; Wang, Yue; Liu, Gongshu; Baccarelli, Andrea; Hou, Lifang; Hu, Gang

doi:10.1371/journal.pone.0082310

Cited by 308 publications

(359 citation statements)

References 31 publications

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“…Finally, we did not examine the long-term outcomes of either the pregnant women or infants in this study. Nan et al [27] reported that excessive weight gain in overweight and obese pregnant women is strongly associated with increases in the weight and height of offspring in early infancy. Moreover, because GWG is directly associated with the risk of substantial postpartum weight retention and childhood obesity [3,23,25], there is a concern that pregnant women and their infants may develop lifestyle-related diseases in the future.…”

Section: Discussionmentioning

confidence: 99%

“…We considered ten main outcomes of interest, which are already known to be influenced by GWG [5][6][7][8][9][10][11][12][13][14][15][16][20][21][22][23][24][25][26][27]: small for gestational age (SGA), large for gestational age (LGA), low birth weight (LBW) (<2,500 g), macrosomia (≥4,000 g), gestational hypertension, preeclampsia, caesarean delivery, operative virginal delivery, umbilical artery pH <7.0, and an Apgar Score at 5 min <7. SGA and LGA neonates were defined as birth weights below the 10th percentile and above 90th percentile, respectively, after matching for gestational age and sex.…”

Section: Outcomes Of Interestmentioning

confidence: 99%

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Optimal weight gain in obese and overweight pregnant Japanese women

et al. 2018

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Abstract. We aimed to determine the optimal gestational weight gain (GWG) in Japanese women with a Body Mass Index (BMI) ≥25 kg/m 2 . The present retrospective study investigated singleton pregnancies in 6,781 Japanese women registered in the Japan Society of Obstetrics and Gynecology system in 2013. We divided overweight and obese women into four GWG categories based on the Institute of Medicine (IOM) recommended: weight loss, small weight gain, within IOM criteria, and above IOM criteria. The adjusted odds ratios and predicted probabilities of maternal and neonatal outcomes of interest with weight change were calculated. In overweight women, GWG was associated with neonatal birth weight. In the loss and small gain subgroups, there was a significant increase in small for gestational age (SGA) and low birth weight neonates (LBW). Predicted probabilities showed the lowest risk was observed in a weight gain of 0 kg; the risk sharply increased at a gain of 11.5 kg. In obese women, weight gain increased the prevalence of large for gestational age (LGA) neonates; however; SGA was not associated with GWG. Predicted probabilities showed an increase in the risk with weight gain. The observed optimal GWG was 0 to 11.5 kg in overweight, and weight loss in obese, pregnant Japanese women. should gain between 5 and 9 kg to obtain the best maternal and perinatal outcomes [4]. However, a few studies from Europe and North America have suggested that a GWG below the IOM guidelines is associated with more favourable pregnancy outcomes in obese women [3,[7][8][9][10][11][12][13].Japanese women are more likely to be underweight than those in Europe and North America; therefore, the Submitted Jan. 22, 2018; Accepted Feb. 3, 2018 as EJ18-0027 Released online in J-STAGE as advance publication Mar. 20, 2018 Correspondence to: Shigeru Aoki, Perinatal Center for Maternity and Neonate, Yokohama City University Medical Center, 4-57 Urafunecyou, Minami-ku, Yokohama City, Kanagawa 232-0024, Japan. E-mail: smyyaoki@yahoo.co.jp obesity classification used in Japan differs from that developed by the IOM [14][15][16]. According to the criteria developed by the Japan Society of Obstetrics and Gynecology (JSOG), women with a BMI of ≥25 kg/m 2 are classified as obese without further subdivision [17]. Optimal weight gain for pregnant Japanese women with a BMI ≥25 kg/m 2 is assessed on a case-to-case basis [18,19]. In our previous study entitled, "Pregnancy outcomes based on pre-pregnancy body mass index in Japanese women: POBMIJ Study," we reported that the IOM classification is also applicable to pregnant Japanese women because overweight (25 kg/m 2 ≤ BMI <30 kg/m 2 ) and obese (BMI ≥30 kg/m 2 ) women have different pregnancy outcomes. In addition, when pregnancy outcomes were compared among three groups of pregnant Japanese women with GWG below, within, and above the IOMrecommended weight gain, pregnant women with GWG within the IOM criteria had the best pregnancy outcomes among those with a BMI <30 kg/m 2 , whereas no differences were observ...

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Section: Discussionmentioning

confidence: 99%

Section: Outcomes Of Interestmentioning

confidence: 99%

Optimal weight gain in obese and overweight pregnant Japanese women

et al. 2018

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“…The war taking five years increases the child deaths under age of 5 by 13%. Also 47% of all the refugees in the world and 50% of asylum seekers and displaced people are women and girls and 44% refugees and asylum seekers are children under the age of 18 (5). As the result of wars and armed conflicts, women are…”

Section: Mortalities and Morbiditiesmentioning

confidence: 99%

Association of Pregestational BMI and Antenatal Weight Gain With Pregnancy Outcome: A Prospective Observational Cohort Study

Pal¹,

Maiti²,

Roychoudhury³

et al. 2017

IJWHR

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“…In recent years, the body mass index (BMI) of women of reproductive age has risen in developed countries (1). Higher maternal BMI at the start of pregnancy or before pregnancy has been reported to increase physical and intellectual problems in neonates (e.g.…”

Section: Introductionmentioning

confidence: 99%

“…Overweight and obese women are at increased risk of gestational diabetes, pre-eclampsia, instrumental delivery and caesarean section and their children are at higher risk of macrosomia, birth defects, low Apgar scores and neonatal complications (1,3,4). Obese women have been reported to have longer labour due to insufficient contractions during the first stage of labour, therefore, the induction and augmentation rate is higher in this group.…”

Section: Introductionmentioning

confidence: 99%

Effect of pre-pregnancy maternal body mass index on pregnancy outcomes in nulliparous women in the Islamic Republic of Iran

Sfandiary

parvizi

Almasi

et al. 2017

East Mediterr Health J

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Impact de l'indice de masse corporelle maternel pré-gravidique sur les issues de grossesse parmi les femmes nullipares en République islamique d'Iran.RÉSUMÉ La présente étude a été menée pour évaluer l'impact de l'IMC maternel pré-gravidique sur les issues de grossesse. L'IMC a été calculé pour 360 femmes nullipares. En fonction de l'IMC, les femmes enceintes ont été réparties en trois groupes : groupe I (poids maigre IMC ≤ 19,8), groupe II (poids normal IMC = 19,9-24,9), et le groupe III (obésité IMC ≥ 25). L'analyse des données a été réalisée à l'aide de la version 16.0 du logiciel SPSS. La durée moyenne des deux premières phases du travail était significativement différente entre ces trois groupes (p < 0,001). Le taux de césarienne dans le groupe I était inférieur à celui du groupe II (OR = 0,15 ; p = 0,013). Le taux d'accouchement avec assistance instrumentale dans le groupe III était plus élevé que dans le groupe II (OR=4,6 ; p = 0,002). Le risque lié à l'absence ou la diminution des mouvements lors du test de réactivité foetale était significativement différent entre les groupes II et III (OR = 5,7 ; p = 0,009). Le taux d'induction du travail dans le groupe I était inférieur à celui du groupe II (OR=0,4 3 ; p = 0,002). L'écart de l'IMC par rapport au poids normal est associé aux issues défavorables de la grossesse et de l'accouchement. ABSTRACT This study was conducted to evaluate the effect of pre-pregnancy BMI on pregnancy outcomes. BMI was calculated measured in 360 nulliparous women. According to BMI, pregnant women were placed into three groups: group I (lean group BMI ≤ 19.8), group II (normal weight group BMI = 19.9-24.9), and group III (obese group BMI ≥ 25). Data were analyzed using SPSS 16. The mean duration of the first and the second stage of labour were significantly different between three groups (P < 0.001). Cesarean section ratio in group I was lower than group II (OR = 0.15; P = 0.013). Instrumental delivery in group III was more than group II (OR=4.6; P = 0.002). Risk of nonreactive non-stress test (NST) was significantly different between groups II and III (OR = 5.7; P = 0.009). Induction ratio in group I was lower than group II (OR=0.43; P = 0.002). Deviation of BMI from the normal level is associated with adverse outcomes of pregnancy and delivery. ‫اإلسالمية‬ ‫إيران‬ ‫مجهورية‬ ‫يف‬ ‫النساء‬ ‫يف‬ ‫احلمل‬ ‫نتائج‬ ‫عىل‬ ‫احلمل‬ ‫قبل‬ ‫ما‬ ‫مرحلة‬ ‫يف‬ ‫لألم‬ ‫اجلسم‬ ‫كتلة‬ ‫مقياس‬ ‫أثر‬

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Maternal Prepregnancy Body Mass Index and Gestational Weight Gain on Pregnancy Outcomes

Cited by 308 publications

References 31 publications

Optimal weight gain in obese and overweight pregnant Japanese women

Optimal weight gain in obese and overweight pregnant Japanese women

Association of Pregestational BMI and Antenatal Weight Gain With Pregnancy Outcome: A Prospective Observational Cohort Study

Effect of pre-pregnancy maternal body mass index on pregnancy outcomes in nulliparous women in the Islamic Republic of Iran

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