Matches in DBpedia 2015-10 for { ?s ?p "The obstetrical dilemma refers to two conflicting trends in the evolutionary development of the human pelvis where the transition to walking upright, bipedal locomotion, required a decreased size of the bony birth-canal but the trend toward increased intelligence required a larger cranium, which would need a wider obstetrical pelvic area. The obstetrical dilemma has been studied widely because it has increased the difficulty of childbirth for modern day women."@en }
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- Obstetrical_dilemma comment "The obstetrical dilemma refers to two conflicting trends in the evolutionary development of the human pelvis where the transition to walking upright, bipedal locomotion, required a decreased size of the bony birth-canal but the trend toward increased intelligence required a larger cranium, which would need a wider obstetrical pelvic area. The obstetrical dilemma has been studied widely because it has increased the difficulty of childbirth for modern day women.".