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Quantifying the association between doula care and maternal and neonatal outcomes.
Am J Obstet Gynecol
August 2024
Department of Obstetrics, Gynecology and Reproductive Sciences, Magee-Womens Hospital, University of Pittsburgh School of Medicine, Pittsburgh, PA; Magee-Womens Research Institute, University of Pittsburgh School of Medicine, Pittsburgh, PA.
Background: The United States suffers from an increasing rate of severe maternal morbidity, paired with a wide disparity in maternal health by race. Doulas are posited to be a useful resource to increase positive outcomes and to decrease this disparity.
Objective: This study aimed to evaluate the association between doula care and a broad range of maternal and neonatal outcomes in various subpopulations.
Time to redefine prolonged third stage of labor? A systematic review and meta-analysis of the length of the third stage of labor and adverse maternal outcome after vaginal birth.
Am J Obstet Gynecol
January 2025
Department of Obstetrics, Leiden University Medical Center, Leiden, The Netherlands; Athena Institute, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.
Objective: This study aimed (1) to assess the association between the length of the third stage of labor and adverse maternal outcome after vaginal birth and (2) to evaluate whether earlier manual placenta removal reduces the risk of adverse outcome.
Data Sources: PubMed, MEDLINE, Embase, ClinicalTrials.gov, the Cochrane Library, Journals@Ovid, and the World Health Organization International Clinical Trials Registry were searched from January 1, 2000, to June 13, 2023.
Redefining dominance calculation: Increased competition flattens the dominance hierarchy in dairy cows.
J Dairy Sci
September 2024
Animal Welfare Program, Faculty of Land and Food Systems, University of British Columbia, Vancouver, BC, Canada, V6T 1Z4. Electronic address:
Article Synopsis
- Dominance hierarchies in dairy cows help reduce conflict and allocate access to resources, but their structure may change based on competition levels.
- During a study involving 48 lactating dairy cows over 10 months, researchers monitored agonistic interactions at feed bins, finding that competition for fresh feed primarily influenced these interactions.
- As feeder occupancy increased, the dominance hierarchy became less steep, indicating that higher competition resulted in more instances of dominant cows losing ground to their challengers.
- The results suggest that the dynamics of hierarchical behavior in dairy cows are significantly shaped by the amount of competition they face for food resources.
Measuring haemoglobin concentration to define anaemia: WHO guidelines.
Lancet
May 2024
Department of Nutrition and Food Safety, World Health Organization, Geneva 1202, Switzerland. Electronic address:
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