{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,22]],"date-time":"2026-06-22T08:52:25Z","timestamp":1782118345913,"version":"3.54.5"},"reference-count":42,"publisher":"Elsevier BV","issue":"5","license":[{"start":{"date-parts":[[2019,5,1]],"date-time":"2019-05-01T00:00:00Z","timestamp":1556668800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2019,5,1]],"date-time":"2019-05-01T00:00:00Z","timestamp":1556668800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","soard.org","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Surgery for Obesity and Related Diseases"],"published-print":{"date-parts":[[2019,5]]},"DOI":"10.1016\/j.soard.2019.01.014","type":"journal-article","created":{"date-parts":[[2019,1,27]],"date-time":"2019-01-27T04:44:21Z","timestamp":1548564261000},"page":"759-765","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":5,"title":["Twin pregnancy outcomes after metabolic and bariatric surgery"],"prefix":"10.1016","volume":"15","author":[{"given":"Amihai","family":"Rottenstreich","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1282-5379","authenticated-orcid":false,"given":"Gabriel","family":"Levin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Misgav","family":"Rottenstreich","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yossef","family":"Ezra","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ram","family":"Elazary","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Uriel","family":"Elchalal","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.soard.2019.01.014_bib0001","unstructured":"World Health Organization fact sheet n311: obesity and overweight. Geneva: World Health Organization; c2019 [updated 2018 Feb 16; cited 2018 Feb 18]. Available from: http:\/\/www.who.int\/mediacentre\/factsheets\/fs311\/en\/."},{"issue":"14","key":"10.1016\/j.soard.2019.01.014_bib0002","doi-asserted-by":"crossref","first-page":"1724","DOI":"10.1001\/jama.292.14.1724","article-title":"Bariatric surgery: a systematic review and meta-analysis","volume":"292","author":"Buchwald","year":"2004","journal-title":"JAMA"},{"issue":"10","key":"10.1016\/j.soard.2019.01.014_bib0003","doi-asserted-by":"crossref","first-page":"2523","DOI":"10.1007\/s11695-016-2294-x","article-title":"Pregnancy following bariatric surgery-medical complications and management","volume":"26","author":"Narayanan","year":"2016","journal-title":"Obes Surg"},{"issue":"4","key":"10.1016\/j.soard.2019.01.014_bib0004","doi-asserted-by":"crossref","first-page":"305","DOI":"10.1016\/j.ajog.2010.04.031","article-title":"Twins: prevalence, problems, and preterm births","volume":"203","author":"Chauhan","year":"2010","journal-title":"Am J Obstet Gynecol"},{"issue":"6","key":"10.1016\/j.soard.2019.01.014_bib0005","doi-asserted-by":"crossref","first-page":"623","DOI":"10.3109\/14767058.2014.928854","article-title":"Maternal obesity in singleton versus twin gestations: a population-based matched case-control study","volume":"28","author":"Lucovnik","year":"2015","journal-title":"J Matern Neonatal Med"},{"issue":"4","key":"10.1016\/j.soard.2019.01.014_bib0006","doi-asserted-by":"crossref","first-page":"355","DOI":"10.3109\/14767058.2013.818654","article-title":"Obesity and adverse pregnancy outcomes in twin pregnancies","volume":"27","author":"Fox","year":"2014","journal-title":"J Matern Neonatal Med"},{"issue":"9","key":"10.1016\/j.soard.2019.01.014_bib0007","doi-asserted-by":"crossref","first-page":"2266","DOI":"10.1056\/NEJMoa1405789","article-title":"Outcomes of pregnancy after bariatric surgery","volume":"372","author":"Johansson","year":"2015","journal-title":"N Engl J Med"},{"key":"10.1016\/j.soard.2019.01.014_bib0008","doi-asserted-by":"crossref","first-page":"45","DOI":"10.1016\/j.ejogrb.2014.07.015","article-title":"Maternal and neonatal outcomes in women undergoing bariatric surgery: a systematic review and metaanalysis","volume":"181","author":"Galazis","year":"2014","journal-title":"Eur J Obstet Gynecol Reprod Biol"},{"key":"10.1016\/j.soard.2019.01.014_bib0009","doi-asserted-by":"crossref","first-page":"f6460","DOI":"10.1136\/bmj.f6460","article-title":"Perinatal outcomes after bariatric surgery: nationwide population based matched cohort study","volume":"347","author":"Roos","year":"2013","journal-title":"BMJ"},{"issue":"2","key":"10.1016\/j.soard.2019.01.014_bib0010","doi-asserted-by":"crossref","first-page":"128","DOI":"10.1001\/jamasurg.2016.3621","article-title":"Bariatric surgery in women of childbearing age, timing between an operation and birth, and associated perinatal complications","volume":"152","author":"Parent","year":"2017","journal-title":"JAMA Surg"},{"issue":"Supplement 1","key":"10.1016\/j.soard.2019.01.014_bib0011","first-page":"S114","article-title":"Management of diabetes in pregnancy","volume":"40","year":"2017","journal-title":"Diabetes Care"},{"issue":"Supplement 1","key":"10.1016\/j.soard.2019.01.014_bib0012","doi-asserted-by":"crossref","first-page":"S11","DOI":"10.2337\/dc17-S005","article-title":"Classification and diagnosis of diabetes","volume":"40","author":"Association","year":"2017","journal-title":"Diabetes Care"},{"issue":"5","key":"10.1016\/j.soard.2019.01.014_bib0013","first-page":"311","article-title":"Birth weight standards in the live-born population in Israel","volume":"7","author":"Dollberg","year":"2005","journal-title":"Isr Med Assoc J"},{"key":"10.1016\/j.soard.2019.01.014_bib0014","series-title":"Report brief. Institute of Medicine, 2009 May","article-title":"Weight gain during pregnancy: reexamining the guidelines","author":"Rasmussen","year":"2009"},{"issue":"1","key":"10.1016\/j.soard.2019.01.014_bib0015","doi-asserted-by":"crossref","first-page":"210","DOI":"10.1097\/01.AOG.0000425668.87506.4c","article-title":"ACOG committee opinion no. 548: weight gain during pregnancy","volume":"121","year":"2013","journal-title":"Obstet Gynecol"},{"issue":"6","key":"10.1016\/j.soard.2019.01.014_bib0016","doi-asserted-by":"crossref","first-page":"1405","DOI":"10.1097\/AOG.0b013e3181ac0544","article-title":"ACOG practice bulletin no. 105: bariatric surgery and pregnancy","volume":"113","year":"2009","journal-title":"Obstet Gynecol"},{"issue":"2","key":"10.1016\/j.soard.2019.01.014_bib0017","doi-asserted-by":"crossref","first-page":"194","DOI":"10.1111\/j.1467-789X.2008.00541.x","article-title":"Prepregnancy BMI and the risk of gestational diabetes: a systematic review of the literature with meta-analysis","volume":"10","author":"Torloni","year":"2009","journal-title":"Obes Rev"},{"issue":"3","key":"10.1016\/j.soard.2019.01.014_bib0018","doi-asserted-by":"crossref","first-page":"451","DOI":"10.1097\/AOG.0000000000002481","article-title":"Maternal and perinatal outcomes after laparoscopic sleeve gastrectomy","volume":"131","author":"Rottenstreich","year":"2018","journal-title":"Obstet Gynecol"},{"issue":"4","key":"10.1016\/j.soard.2019.01.014_bib0019","doi-asserted-by":"crossref","first-page":"897","DOI":"10.1053\/j.gastro.2012.07.114","article-title":"Effects of bariatric surgery on glucose homeostasis and type 2 diabetes","volume":"143","author":"Bradley","year":"2013","journal-title":"Gastroenterology"},{"issue":"5","key":"10.1016\/j.soard.2019.01.014_bib0020","doi-asserted-by":"crossref","first-page":"897","DOI":"10.1530\/EJE-10-0047","article-title":"The role of maternal gut hormones in normal pregnancy: fasting plasma active glucagon-like peptide 1 level is a negative predictor of fetal abdomen circumference and maternal weight change","volume":"162","author":"Valsamakis","year":"2010","journal-title":"Eur J Endocrinol"},{"issue":"4","key":"10.1016\/j.soard.2019.01.014_bib0021","doi-asserted-by":"crossref","first-page":"938","DOI":"10.1016\/S0002-9378(00)70350-4","article-title":"Hypertensive disorders in twin versus singleton gestations. National Institute of Child Health and Human Development Network of Maternal-Fetal Medicine Units","volume":"182","author":"Sibai","year":"2000","journal-title":"Am J Obstet Gynecol"},{"issue":"1","key":"10.1016\/j.soard.2019.01.014_bib0022","doi-asserted-by":"crossref","first-page":"3","DOI":"10.1016\/j.ijgo.2015.01.011","article-title":"A meta-analysis of maternal and fetal outcomes of pregnancy after bariatric surgery","volume":"130","author":"Yi","year":"2015","journal-title":"Int J Gynaecol Obstet"},{"issue":"11","key":"10.1016\/j.soard.2019.01.014_bib0023","doi-asserted-by":"crossref","first-page":"R1326","DOI":"10.1152\/ajpregu.00178.2015","article-title":"Increased risk for the development of preeclampsia in obese pregnancies: weighing in on the mechanisms","volume":"309","author":"Spradley","year":"2015","journal-title":"Am J Physiol Regul Integr Comp Physiol"},{"issue":"12","key":"10.1016\/j.soard.2019.01.014_bib0024","doi-asserted-by":"crossref","first-page":"1919","DOI":"10.1016\/j.soard.2018.09.004","article-title":"Pregnancy after bariatric surgery and the risk of fetal growth restriction","volume":"14","author":"Rottenstreich","year":"2018","journal-title":"Surg Obes Relat Dis"},{"issue":"3","key":"10.1016\/j.soard.2019.01.014_bib0025","doi-asserted-by":"crossref","first-page":"310","DOI":"10.1016\/j.ajog.2018.04.035","article-title":"Pregnancy after bariatric surgery: risks and benefits","volume":"219","author":"Rottenstreich","year":"2018","journal-title":"Am J Obstet Gynecol"},{"issue":"6","key":"10.1016\/j.soard.2019.01.014_bib0026","doi-asserted-by":"crossref","first-page":"573","DOI":"10.1016\/j.ajog.2018.02.003","article-title":"Maternal and neonatal outcomes after bariatric surgery; a systematic review and meta-analysis: do the benefits outweigh the risks?","volume":"218","author":"Kwong","year":"2018","journal-title":"Am J Obstet Gynecol"},{"issue":"3","key":"10.1016\/j.soard.2019.01.014_bib0027","doi-asserted-by":"crossref","first-page":"220","DOI":"10.1016\/j.ajog.2012.06.022","article-title":"Placental pathology, birthweight discordance, and growth restriction in twin pregnancy: results of the ESPRiT Study","volume":"207","author":"Kent","year":"2012","journal-title":"Am J Obstet Gynecol"},{"issue":"4","key":"10.1016\/j.soard.2019.01.014_bib0028","doi-asserted-by":"crossref","first-page":"380","DOI":"10.3109\/14767058.2016.1174209","article-title":"Hypertension in dichorionic twin gestations: how is birthweight affected?","volume":"30","author":"Sparks","year":"2017","journal-title":"J Matern Fetal Neonatal Med"},{"issue":"3","key":"10.1016\/j.soard.2019.01.014_bib0029","doi-asserted-by":"crossref","first-page":"371","DOI":"10.1002\/ijgo.12451","article-title":"The association between weight gain during pregnancy and intertwin delivery weight discordance using 2011-2015 birth registration data from the USA","volume":"141","author":"Xiao","year":"2018","journal-title":"Int J Gynaecol Obstet"},{"issue":"1","key":"10.1016\/j.soard.2019.01.014_bib0030","doi-asserted-by":"crossref","first-page":"11","DOI":"10.1002\/uog.18966","article-title":"Weight discordance and perinatal mortality in twin pregnancy: systematic review and meta-analysis","volume":"52","author":"D'Antonio","year":"2018","journal-title":"Ultrasound Obstet Gynecol"},{"issue":"7","key":"10.1016\/j.soard.2019.01.014_bib0031","doi-asserted-by":"crossref","first-page":"1138","DOI":"10.1016\/j.soard.2017.02.021","article-title":"Nutritional deficiencies 4 years after laparoscopic sleeve gastrectomy-are supplements required for a lifetime?","volume":"13","author":"Ben-Porat","year":"2017","journal-title":"Surg Obes Relat Dis"},{"issue":"7","key":"10.1016\/j.soard.2019.01.014_bib0032","doi-asserted-by":"crossref","first-page":"1815","DOI":"10.1007\/s11695-017-2558-0","article-title":"Pregnancy after Roux en Y gastric bypass: nutritional and biochemical aspects","volume":"27","author":"Gimenes","year":"2017","journal-title":"Obes Surg"},{"issue":"12","key":"10.1016\/j.soard.2019.01.014_bib0033","doi-asserted-by":"crossref","DOI":"10.1371\/journal.pone.0114192","article-title":"Micronutrient levels and supplement intake in pregnancy after bariatric surgery: a prospective cohort study","volume":"9","author":"Devlieger","year":"2014","journal-title":"PLoS One"},{"issue":"7","key":"10.1016\/j.soard.2019.01.014_bib0034","first-page":"1138","article-title":"Nutritional deficiencies 4 years after laparoscopic sleeve gastrectomy-are supplements required for a lifetime?","volume":"13","author":"Rottenstreich","year":"2018","journal-title":"Surg Obes Relat Dis"},{"issue":"3","key":"10.1016\/j.soard.2019.01.014_bib0035","doi-asserted-by":"crossref","first-page":"644","DOI":"10.3945\/ajcn.2010.29726","article-title":"Gestational weight gain in obese mothers and associations with fetal growth","volume":"92","author":"Hinkle","year":"2010","journal-title":"Am J Clin Nutr"},{"issue":"2","key":"10.1016\/j.soard.2019.01.014_bib0036","doi-asserted-by":"crossref","first-page":"137","DOI":"10.1016\/j.ajog.2014.02.004","article-title":"Inadequate weight gain in overweight and obese pregnant women: what is the effect on fetal growth?","volume":"211","author":"Catalano","year":"2014","journal-title":"Am J Obstet Gynecol"},{"issue":"7","key":"10.1016\/j.soard.2019.01.014_bib0037","doi-asserted-by":"crossref","DOI":"10.1371\/journal.pone.0132650","article-title":"Weight loss instead of weight gain within the guidelines in obese women during pregnancy: a systematic review and meta-analyses of maternal and infant outcomes","volume":"10","author":"Kapadia","year":"2015","journal-title":"PLoS One"},{"issue":"1","key":"10.1016\/j.soard.2019.01.014_bib0038","doi-asserted-by":"crossref","first-page":"119","DOI":"10.1080\/14767058.2016.1272568","article-title":"Optimal weight gain during twin pregnancy in Japanese women with favorable perinatal outcomes","volume":"31","author":"Suzuki","year":"2018","journal-title":"J Matern Neonatal Med Taylor"},{"issue":"6","key":"10.1016\/j.soard.2019.01.014_bib0039","doi-asserted-by":"crossref","first-page":"552","DOI":"10.3109\/14767058.2013.836177","article-title":"Perinatal outcomes based on the institute of medicine guidelines for weight gain in twin pregnancies","volume":"27","author":"Shamshirsaz","year":"2014","journal-title":"J Matern Neonatal Med"},{"issue":"10","key":"10.1016\/j.soard.2019.01.014_bib0040","doi-asserted-by":"crossref","first-page":"1182","DOI":"10.1080\/14767058.2016.1208746","article-title":"Pregnancy and perinatal outcomes according to surgery to conception interval and gestational weight gain in women with previous gastric bypass","volume":"30","author":"Stentebjerg","year":"2017","journal-title":"J Matern Neonatal Med"},{"issue":"5","key":"10.1016\/j.soard.2019.01.014_bib0041","doi-asserted-by":"crossref","first-page":"655","DOI":"10.1016\/j.ajog.2015.11.017","article-title":"Impact of bariatric surgery on fetal growth restriction: experience of a perinatal and bariatric surgery center","volume":"214","author":"Chevrot","year":"2016","journal-title":"Am J Obstet Gynecol"},{"issue":"12","key":"10.1016\/j.soard.2019.01.014_bib0042","doi-asserted-by":"crossref","first-page":"1795","DOI":"10.1016\/j.soard.2018.09.485","article-title":"The effect of surgery-to-conception interval on pregnancy outcomes after sleeve gastrectomy","volume":"14","author":"Rottenstreich","year":"2018","journal-title":"Surg Obes Relat Dis"}],"container-title":["Surgery for Obesity and Related Diseases"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1550728918312814?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1550728918312814?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,27]],"date-time":"2025-10-27T08:10:57Z","timestamp":1761552657000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1550728918312814"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2019,5]]},"references-count":42,"journal-issue":{"issue":"5","published-print":{"date-parts":[[2019,5]]}},"alternative-id":["S1550728918312814"],"URL":"https:\/\/doi.org\/10.1016\/j.soard.2019.01.014","relation":{},"ISSN":["1550-7289"],"issn-type":[{"value":"1550-7289","type":"print"}],"subject":[],"published":{"date-parts":[[2019,5]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Twin pregnancy outcomes after metabolic and bariatric surgery","name":"articletitle","label":"Article Title"},{"value":"Surgery for Obesity and Related Diseases","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.soard.2019.01.014","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2019 American Society for Bariatric Surgery. Published by Elsevier Inc. All rights reserved.","name":"copyright","label":"Copyright"}]}}