A high-protein low-glycemic index diet attenuates gestational weight gain in pregnant women with obesity: the "An optimized programming of healthy children" (APPROACH) randomized controlled trial.
birth weight
cesarean delivery
dietary intervention
gestational weight gain
offspring
pregnancy
Journal
The American journal of clinical nutrition
ISSN: 1938-3207
Titre abrégé: Am J Clin Nutr
Pays: United States
ID NLM: 0376027
Informations de publication
Date de publication:
04 03 2022
04 03 2022
Historique:
received:
24
06
2021
accepted:
06
12
2021
pubmed:
16
12
2021
medline:
28
4
2022
entrez:
15
12
2021
Statut:
ppublish
Résumé
Prepregnancy overweight and excessive gestational weight gain (GWG) increase the risk of complications and offspring obesity. We aimed to investigate the effect of a high-protein low-glycemic index (HPLGI) diet on GWG, birth weight, and risk of gestational complications in pregnant women with obesity. A total of 279 women with prepregnancy overweight or obesity (BMI: 28-45 kg/m2), between 18 and 45 y old, and in their late first trimester with singleton pregnancies, were randomly assigned to 1 of 2 ad libitum diets: a high-protein low-glycemic index diet (HPLGI: 25%-28% of energy from protein and glycemic index ≤ 55) and a moderate-protein moderate-glycemic index diet (MPMGI: 15%-18% of energy from protein and glycemic index ∼60). Diets were consumed from gestational week 15 and throughout pregnancy. Participants received dietary guidance by a clinical dietician 9 times to facilitate adherence. Out of 141 and 138 women randomly assigned to the HPLGI and MPMGI diets, 105 and 104 completed the intervention, respectively (75%). In the available case analyses, GWG was 6.8 ± 1.3 kg among women assigned the HPLGI diet and this was significantly lower, by -1.7 kg (95% CI: -2.8, -0.5 kg; P = 0.004), than the GWG of 8.5 ± 1.3 kg among women assigned the MPMGI diet. There were no significant differences between diets on major neonatal outcomes (birth weight and other anthropometric measures). The incidence of composite pregnancy complications was lower for the HPLGI than for the MPMGI diet (35.4% compared with 53.7%, respectively; P = 0.009), including cesarean delivery (15.4% compared with 28.8%, respectively; P = 0.03). There were no reported maternal, fetal, or neonatal deaths. Incidence of miscarriages (1%-2%) did not differ between groups. A moderate increase in dietary protein in conjunction with a reduction in glycemic index during the last 2 trimesters of pregnancy reduced GWG and limited complications and cesarean deliveries among women with overweight or obesity.
Sections du résumé
BACKGROUND
Prepregnancy overweight and excessive gestational weight gain (GWG) increase the risk of complications and offspring obesity.
OBJECTIVES
We aimed to investigate the effect of a high-protein low-glycemic index (HPLGI) diet on GWG, birth weight, and risk of gestational complications in pregnant women with obesity.
METHODS
A total of 279 women with prepregnancy overweight or obesity (BMI: 28-45 kg/m2), between 18 and 45 y old, and in their late first trimester with singleton pregnancies, were randomly assigned to 1 of 2 ad libitum diets: a high-protein low-glycemic index diet (HPLGI: 25%-28% of energy from protein and glycemic index ≤ 55) and a moderate-protein moderate-glycemic index diet (MPMGI: 15%-18% of energy from protein and glycemic index ∼60). Diets were consumed from gestational week 15 and throughout pregnancy. Participants received dietary guidance by a clinical dietician 9 times to facilitate adherence.
RESULTS
Out of 141 and 138 women randomly assigned to the HPLGI and MPMGI diets, 105 and 104 completed the intervention, respectively (75%). In the available case analyses, GWG was 6.8 ± 1.3 kg among women assigned the HPLGI diet and this was significantly lower, by -1.7 kg (95% CI: -2.8, -0.5 kg; P = 0.004), than the GWG of 8.5 ± 1.3 kg among women assigned the MPMGI diet. There were no significant differences between diets on major neonatal outcomes (birth weight and other anthropometric measures). The incidence of composite pregnancy complications was lower for the HPLGI than for the MPMGI diet (35.4% compared with 53.7%, respectively; P = 0.009), including cesarean delivery (15.4% compared with 28.8%, respectively; P = 0.03). There were no reported maternal, fetal, or neonatal deaths. Incidence of miscarriages (1%-2%) did not differ between groups.
CONCLUSIONS
A moderate increase in dietary protein in conjunction with a reduction in glycemic index during the last 2 trimesters of pregnancy reduced GWG and limited complications and cesarean deliveries among women with overweight or obesity.
Identifiants
pubmed: 34910089
pii: S0002-9165(22)00212-X
doi: 10.1093/ajcn/nqab405
doi:
Types de publication
Journal Article
Randomized Controlled Trial
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
970-979Informations de copyright
© The Author(s) 2021. Published by Oxford University Press on behalf of the American Society for Nutrition.