Related Experiment Video
Updated: Jun 25, 2025

04:33
Author Spotlight: Unveiling the Connection Between Sleep Disorders and Cognitive Symptoms in Depression
Published on: April 26, 2024
660
[Association between sleep status in the first trimester and preterm birth]
1Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing 100191, China.
Zhonghua Fu Chan Ke Za Zhi
|May 26, 2024
Summary
Poor sleep quality in early pregnancy significantly increases the risk of preterm birth. This study highlights the importance of monitoring sleep patterns during the first trimester for better pregnancy outcomes.
Area of Science:
- Obstetrics and Gynecology
- Sleep Medicine
- Perinatal Health
Background:
- First-trimester sleep quality is crucial for pregnancy outcomes.
- Preterm birth remains a significant concern in perinatal health.
- Understanding early pregnancy risk factors is essential for timely intervention.
Purpose of the Study:
- To investigate the association between first-trimester sleep status and the incidence of preterm birth.
- To identify specific sleep parameters that correlate with increased preterm birth risk.
- To analyze the relationship between sleep quality and spontaneous preterm birth.
Main Methods:
- A cohort study involving pregnant women from September 2019 to June 2020.
- Utilized the Pittsburgh Sleep Quality Index (PSQI) to assess sleep status at 8-12 weeks of gestation.
- Categorized delivery outcomes into full-term, preterm birth, and spontaneous preterm birth groups for comparative analysis.
Main Results:
- Higher PSQI scores (indicating poorer sleep quality) were significantly associated with preterm birth and spontaneous preterm birth.
- Pregnant women experiencing poor sleep (PSQI > 7) had a higher risk of preterm delivery.
- Reduced nighttime sleep duration was observed in preterm birth groups compared to the full-term group.
- First-trimester PSQI score was identified as an independent risk factor for preterm birth (aOR=1.22).
- Assisted reproductive technology, gestational diabetes mellitus, and first-trimester PSQI score were independent risk factors for spontaneous preterm birth.
Conclusions:
- Decreased sleep quality during the first trimester is a significant risk factor for preterm birth.
- Monitoring and addressing sleep disturbances in early pregnancy may help mitigate the risk of preterm delivery.
- Further research is warranted to explore interventions for improving sleep quality in pregnant individuals.
Related Concept Videos
Insufficient Sleep and Sleep Deprivation
139
Insufficient sleep refers to not getting the recommended amount of sleep for optimal functioning, even if it's just slightly less than needed. Sleep insufficiency may occur due to lifestyle choices, such as staying up late for social events or work, resulting in routinely getting less sleep than required. For example, consistently sleeping 6 hours when the body needs 7-9 hours can lead to cumulative effects on health and well-being.
Sleep deprivation is a more severe form of sleep loss...
Sleep deprivation is a more severe form of sleep loss...
139
Teratogenicity
2.4K
The ability of a drug to produce structural deformations and functional abnormalities in the developing embryo or the fetus is called teratogenicity, and the drug producing this effect is known as a teratogen. Teratogenic effects include stillbirth, miscarriage, intrauterine growth restriction, and neurocognitive delay. A teratogen may affect the embryo at different stages of development, which is important in determining the type and extent of the damage. During blastocyst formation, the early...
2.4K
Regression Toward the Mean
6.3K
Regression toward the mean (“RTM”) is a phenomenon in which extremely high or low values—for example, and individual’s blood pressure at a particular moment—appear closer to a group’s average upon remeasuring. Although this statistical peculiarity is the result of random error and chance, it has been problematic across various medical, scientific, financial and psychological applications. In particular, RTM, if not taken into account, can interfere when...
6.3K
Correlations
32.8K
Correlation means that there is a relationship between two or more variables (such as ice cream consumption and crime), but this relationship does not necessarily imply cause and effect. When two variables are correlated, it simply means that as one variable changes, so does the other. We can measure correlation by calculating a statistic known as a correlation coefficient. A correlation coefficient is a number from -1 to +1 that indicates the strength and direction of the relationship between...
32.8K
Cause and Effect
10.9K
While variables are sometimes correlated because one does cause the other, it could also be that some other factor, a confounding variable, is actually causing the systematic movement in our variables of interest. For instance, as sales in ice cream increase, so does the overall rate of crime. Is it possible that indulging in your favorite flavor of ice cream could send you on a crime spree? Or, after committing crime do you think you might decide to treat yourself to a cone?
10.9K

