Browsing by Author "Perez De Aguado, Marta"
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Item Intrapartum ultrasound in maternal lateral versus semi-recumbent posture. A repeated measures study.(European Journal of Obstetrics & Gynecology and Reproductive Biology, 2023) Cuerva, Marcos Javier; Rodríguez, Elena; Perez De Aguado, Marta; Gil Mira, María del Mar; Rolle, Valeria; López, Francisco; Bartha, José LuisObjective This study aimed to assess whether intrapartum ultrasound (ITU) measurements in maternal lateral posture are superimposable to ITU measurements in semi-recumbent position. Study design A single-center, repeated measures design was used. Women in the second stage of labor were randomized to ITU first in semi-recumbent followed by ITU in side-lying posture without and with contraction, or inversely. The angle of progression (AOP) and the head-perineum distance (HPD) between contractions (AOP1 and HPD1) and with contraction (AOP2 and HPD2) were measured in each maternal posture. The differences between AOP1 and AOP2 (dAOP), and between HPD1 and HPD2 (dHPD) were calculated. Results and conclusions Forty-two women participated in the study. A generalized estimating equation model showed that AOP1 (-3.00°; 95 % CI −5.77 to −0.23; p = 0.03) and AOP2 (-4.14°; 95 % CI −7.20 to −1.08; p = 0.008) were lower in semi-recumbent compared to maternal lateral posture. HPD1 (+1.43 mm; 95 % CI 0.05–2.81; p = 0.042) and HPD2 (+1.53 mm; 95 % CI 0.17–2.89; p = 0.03) were higher in semi-recumbent position. Differences in the ITU measurements in maternal lateral posture compared to semi-recumbent position are small. Monitoring the second stage of labor with ITU in lateral maternal posture is possible.