Uterine artery and umbilical vein blood flow are unaffected by moderate habitual physical activity during pregnancy.
Journal
Prenatal diagnosis
ISSN: 1097-0223
Titre abrégé: Prenat Diagn
Pays: England
ID NLM: 8106540
Informations de publication
Date de publication:
10 2019
10 2019
Historique:
received:
09
05
2019
revised:
10
06
2019
accepted:
13
06
2019
pubmed:
30
6
2019
medline:
7
7
2020
entrez:
30
6
2019
Statut:
ppublish
Résumé
This study aims to noninvasively quantify blood flow in the uterine arteries (UTAs) and umbilical vein (UV) using phase-contrast magnetic resonance imaging (PC-MRI) and test whether these correlate with maternal fitness parameters. Resting UTA and UV flows were measured in 23 healthy 30 ± 3-year-old women who engaged in moderate-intensity physical activity during pregnancy. Participant fitness was characterized in the second and third trimesters using the submaximal oxygen uptake (VO Blood flows in the UTA (957 ± 241 mL/min) and UV (132 ± 38 mL/min/kg) were successfully measured in 20 (87%) participants. Neither was associated with any physical fitness parameters (HR, VO PC-MRI can be used to noninvasively measure blood flow in the UTA and UV. Neither resting UTA nor UV flow is associated with maternal fitness parameters. This is the first MRI-based study to provide novel hemodynamic data suggesting decoupling between maternal moderate fitness level and the maternal-placental-fetal hemodynamic system in healthy, normal body mass index (BMI) pregnancies.
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
976-985Subventions
Organisme : CIHR
ID : FDN-143262
Pays : Canada
Informations de copyright
© 2019 John Wiley & Sons, Ltd.
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