Related articles and studies

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Low molecular weight heparin stimulates myometrial contractility and cervical remodeling in vitro. Gunvor Ekman-Ordeberg et al. Acta Obstetricia et Gynecologica. 2009; 88: 984-989.

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Risk factors for asphyxia associated with substandard care during labor. Sophie Berglund et al. Acta Obstetricia et Gynecologica. 2010; 89: 39–48
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Prolonged labour associated with lower expression of syndecan 3 and connexin 43 in human uterine tissue. Ann Hjelm Cluff, Birgitta Byström, Aurelija Klimaviciute, Camilla Dahlqvist, Gvido Cebers, Anders Malmström and Gunvor Ekman-Ordeberg. Reproductive Biology and Endocrinology 2006, 4:24

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Incidence and outcomes of dystocia in the active phase of labor in term nulliparous women with spontaneous labor onset. Hanne Kjaergaard et al. Acta Obstetricia et Gynecologica. 2009; 88: 402-407.
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As many as 40% of all pregnant women experience protracted labor, which carries a high risk of complications for both mothers and infants.