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    Eating for two? Leave weight advice to the experts during pregnancy   
      
      
     Date:   
         July 3, 2023   
     Source:   
         University of Birmingham   
     Summary:   
         Pregnant women may be better supported by trained dietitians to   
         control weight gain during pregnancy, according to a new analysis   
         of almost 100 studies.   
      
      
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   Pregnant women may be better supported by trained dietitians to control   
   weight gain during pregnancy, a new analysis of almost 100 studies shows.   
      
   The meta-analysis of almost 35,000 participants across 99 studies   
   published in JAMA Network Open found that interventions from allied   
   health professionals such as dietitians were the most beneficial for   
   controlling gestational weight gain (GWG).   
      
   Spanning 30 years of international evidence, the research team including   
   maternal health expert Professor Shakila Thangaratinam from the University   
   of Birmingham identified that between 6 and 20 sessions on a one-to-one   
   basis were most effective. Those sessions need to consider practical   
   elements of pregnancy including nausea which may affect food and vegetable   
   consumption, as well as cravings and fatigue.   
      
   The team also found less evidence for the exercise component of weight   
   management during pregnancy and plans to manage weight gain that   
   include exercise need to be carried out over a longer period of time   
   over 20 weeks.   
      
   Professor Shakila Thangaratinam, Dame Hilda Lloyd Chair of Maternal and   
   Perinatal Health at the University of Birmingham and co-author of the   
   paper said: "Weight gain during pregnancy is a normal process but the old   
   adage that expectant mums are 'eating for two' and don't need to worry   
   about weight gain can lead to health consequences for mum and baby. We   
   know that excessive gestational weight gain increasing the risks of the   
   development diabetes and other complications.   
      
   "This study set about to encapsulate 30 years of evidence on what works   
   well and not, and we found that experts in their fields such as dietitians   
   were most effective at supporting healthy weight gain. Other interventions   
   were also found to have some success but need to be started soon into the   
   journey of pregnancy."  Cheryce L. Harrison, BBNSc, PhD, senior research   
   fellow and co-lead of the Healthy Lifestyle Stream at the Monash Centre   
   for Health Research and Implementation at the School of Public Health   
   and Preventive Medicine, Monash University in Melbourne, Australia, and   
   colleagues said: "In a secondary analysis of our 2022 systematic review   
   reporting on the association of lifestyle interventions with efficacy in   
   optimizing gestational weight gain, this meta-analysis aims to elucidate   
   and describe components of antenatal lifestyle interventions that   
   are associated with optimized gestational weight gain within published   
   randomized clinical trials, providing critical and pragmatic information   
   for implementations of trials in antenatal care settings."   
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   Materials provided by University_of_Birmingham. Note: Content may be   
   edited for style and length.   
      
      
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   Journal Reference:   
      1. Cheryce L. Harrison, Mahnaz Bahri Khomami, Joanne Enticott, Shakila   
         Thangaratinam, Ewelina Rogozińska, Helena J. Teede. Key   
         Components of Antenatal Lifestyle Interventions to Optimize   
         Gestational Weight Gain.   
      
         JAMA Network Open, 2023; 6 (6): e2318031 DOI: 10.1001/   
         jamanetworkopen.2023.18031   
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   Link to news story:   
   https://www.sciencedaily.com/releases/2023/07/230703133002.htm   
      
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