Key result
The left lateral decubitus position in late pregnancy minimized the suppression of cardiac vagal activity and enhancement of cardiac sympathetic activity compared to the supine position.
Why the study?
Autonomic nervous system action is considered essential for circulatory adaptation in pregnancy, prompting assessment of autonomic nervous activity across sleeping positions in the last trimester compared to non-pregnant females.
Do different sleeping positions affect cardiac autonomic nervous activity in pregnant females in their last trimester?
Population
60 women aged between 18- 30 years (30 pregnant and 30 non pregnant healthy controls)
Comparison
Pregnant women in different sleeping positions vs non pregnant females
Design
Comparative study
Authors
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May support left lateral positioning in late pregnancy; hypothesis-generating without outcome data.
Observational (n=60)
Do different sleeping positions affect cardiac autonomic nervous activity in pregnant females in their last trimester?
The left lateral decubitus position is recommended over the supine position in late pregnancy to optimize cardiac autonomic activity and uteroplacental circulation.
Kaur et al. (2021) conducted an observational in Pregnancy (last trimester) (n=60). Different sleeping positions (left lateral vs supine) vs. Non-pregnant females and alternative sleeping positions was evaluated on Changes in autonomic nervous activity. The left lateral decubitus position in late pregnancy minimized the suppression of cardiac vagal activity and enhancement of cardiac sympathetic activity compared to the supine position.
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