Gestational weight gain according to number of fetuses in Japanese women

Journal of Perinatal Medicine
Mamoru MorikawaHisanori Minakami

Abstract

It is unknown whether weekly maternal weight gain differs between Japanese women with singleton, twin, and triplet pregnancies. Gestational weight gain defined as net weight gain during pregnancy was analyzed in 135,036 pregnant Japanese women, including 128,838 with singletons, 5573 with twins, and 132 with triplets, who gave birth at ≥22 weeks of gestation between 2007 and 2009. Weekly weight gain was defined as follows: gestational weight gain÷[gestational week (GW) at Delivery-2]. Length of gestation (weeks, mean±SD) decreased significantly (38.2±2.6, 35.3±3.0, and 32.7±2.8) with increasing number of fetuses, while overall gestational weight gain (kg) was significantly smaller in women with singletons than in those with either twins or triplets (9.6±4.4 vs. 10.9±4.8 or 10.9±5.2, respectively). Thus, weekly maternal weight gain (kg/week) increased significantly with increasing number of fetuses (0.26±0.12, 0.33±0.13, and 0.35±0.16). Among women with delivery at or after GW 34, difference in gestational weight gain (kg) was prominent between the three groups (9.8±4.4, 11.4±4.7, and 13.0±5.1 for singleton, twin, and triplet pregnancies, respectively, P<0.001 between any two groups). Weekly maternal weight gain increases with i...Continue Reading

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Jan 3, 2013·The Journal of Obstetrics and Gynaecology Research·Mamoru MorikawaHisanori Minakami
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Citations

Jul 30, 2015·Case Reports in Obstetrics and Gynecology·Hiroko MatsumiyaSoromon Kataoka
Dec 18, 2016·The Journal of Obstetrics and Gynaecology Research·Yutaro SuzukiHisanori Minakami
Dec 4, 2020·BMC Pregnancy and Childbirth·Takeshi UmazumeHisanori Minakami
Feb 3, 2019·European Journal of Obstetrics, Gynecology, and Reproductive Biology·Océane PécheuxPhilippe Deruelle
Jul 18, 2021·BMC Pregnancy and Childbirth·Geum Joon ChoMin-Jeong Oh

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