external version


Also found in: Dictionary, Thesaurus, Encyclopedia.
Related to external version: Breech position, internal version, ECV

version

 [ver´zhun]
the act of turning; especially the manual turning of the fetus in delivery.
bipolar version turning done by acting upon both poles of the fetus by either external or combined version.
cephalic version turning of the fetus so that the head is the presenting part.
combined version external and internal versions together.
external version that done using outside manipulation.
internal version that done using the hand or fingers inserted through the dilated cervix.
pelvic version version by manipulation of the breech (buttocks) of the fetus.
podalic version conversion of a more unfavorable presentation into a footling presentation.
spontaneous version one that occurs without aid from any extraneous force.

external version

an obstetric procedure in which a fetus is turned, usually from a breech to a vertex presentation, by external manipulation through the abdominal wall. Compare version and extraction.

external version

Obstetrics An active intervention carried out over the abdominal wall in late pregnancy, consisting of gentle rotation of the fetus, with the intent of manually converting an undesirable breech position, to a deliverable cephalic position. See Cesarean section. Cf Internal version.

external version

Improving the presentation of an unengaged fetus by placing one's hands on the mother's abdomen and pushing, turning, or rotating the fetus.
See also: version
References in periodicals archive ?
A problem with attempting version, according to the results of a study comparing 40 sets of twins delivered by primary C-section, 55 sets of twins managed by primary breech extraction, and 41 sets by planned external version of the second twin, is that while external version itself was quite successful, only 46% of patients delivered vaginally following successful version.
The LF-3000 external version is packaged in its own enclosure, including power supply, fan and power cable.
SAN DIEGO -- Both spinal and epidural anesthesia appear to increase the chance of success with external version in patients after a previous attempt has failed.
Breech births were encouraged in most cases when external version failed, and postdates gestations were discouraged, since both circumstances are associated with increased cesarean rates.

Full browser ?