#parturiency__labor__labour__confinement__lyingin__travail__childbed  concluding state of pregnancy; from the onset of labor to the birth of a child; "she was in labor for six hours"
  supertype:  parturition__birth__giving_birth__birthing  the process of giving birth
  subtype:  premature_labor  labor beginning prior to the 37th week of gestation
  part of:  pregnancy
  part:  uterine_contraction__uterinecontraction  a rhythmic tightening in labor of the upper uterine musculature that contracts the size of the uterus and pushes the fetus toward the birth canal
  part:  effacement  shortening of the uterine cervix and thinning of its walls as it is dilated during labor
  part:  asynclitism__obliquity  the presentation during labor of the head of the fetus at an abnormal angle

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