transverse lie


lie

 [li] the relationship of the long axis of the fetus to that of the mother; see also presentation.longitudinal lie a situation in which the long axis of the fetus is parallel to that of the mother; in presentation, either the head or breech presents first. oblique lie a situation in which the long axis of the fetal body crosses that of the maternal body at an angle close to 45 degrees; in presentation, the shoulder usually presents first, but the arm or part of the trunk may also come first.transverse lie a situation in which the long axis of the fetus is transverse to that of the mother; see illustration.

trans·verse lie

that relationship in which the long axis of the fetus is transverse or at right angles to that of the mother.

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

trans·verse lie

(trans-vĕrs' lī) That relationship in which the long axis of the fetus is transverse or at right angles to that of the mother.