The Effects of Maternal Position on the Amniotic Fluid Index

Abstract

Measurements of the amniotic fluid did not appear to be influenced by maternal position in the third trimester when the AFI was in the normal range.

Comparison of the Effect of Maternal Rest in Alternative Lateral Decubitus Positions on the Amniotic Fluid Index

“…Although those studies described the beneficial effects of maternal lateral positions, they did not evaluate the effect of maternal positional changes on the AFV. Similarly, in their study investigating the effect of instant positional changes, Tressler et al 17 changed the position of the women from supine flat to supine elevated and concluded that the AFI measurements were not influenced by maternal position. However, the positions studied were different from the positions in our study, and the women were not kept in those positions to evaluate the effect of positions on AFV levels.…”

Effects of the Maternal Position and Rest on the Fetal Urine Production Rate

“…Tressler et al 25 studied the effect of the maternal position on the amniotic fluid index. However, they compared instant positional changes and found no difference between supine‐flat and supine‐elevated positional amniotic fluid index measurements 25 …”

Impact of maternal posture on fetal physiology in human pregnancy: a narrative review

“…In pregnancies with normal AFI in the third trimester, compared to the supine recumbent posture, the AFI in the supine position with 45 of upper body elevation is not changed when immediately measured (the only time elapsed between measurements was time taken to adjust maternal posture) (Tressler et al, 2006). Therefore, supine recumbency is not required for AFI measurements, which has obvious benefits for patients with SHS or similar conditions who experience unpleasant symptoms in as little as 3 minutes after assuming the supine posture.…”