transverse lie

lie (li) the relation of the long axis of the fetus with respect to that of the mother; cf. presentation and position.

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oblique lie  the situation during labor when the long axis of the fetal body crosses the long axis of the maternal body at an angle close to 45 degrees.

transverse lie  the situation during labor when the long axis of the fetus crosses the long axis of the mother.

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transverse lie

n.

An anatomical relationship in which the long axis of the fetus lies at right angles to the long axis of the mother.

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transverse lie,

abnormal presentation of a fetus in which the long axis of the baby's body is across the long axis of the mother's body. Unless the baby turns spontaneously or is turned by means of external or internal version, vaginal delivery is impossible.

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transverse lie

Shoulder presentation Obstetrics A non-cephalic, non-breech position, in which the fetus's long axis is perpendicular to that of the mother's; TLs occur in 1:300 births, due to lower uterine obstruction–eg, placenta previa, intrauterine leiomyomas or an ovarian tumor in the cul-de-sac, or in a multiparous uterus with a lax wall Management C-section, less commonly, gentle external version, if the membranes have not ruptured; risks of an internal version are unacceptably high and rarely performed