Open AccessMaternal Height, Birthweight, Obstetric Conjugate and Their Influence on the Management of Parturients with a Previous Cesarean Scar
Author(s) -
Mahmood Tahir A.
Publication year - 1989
Publication title -
acta obstetricia et gynecologica scandinavica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.401
H-Index - 102
eISSN - 1600-0412
pISSN - 0001-6349
DOI - 10.3109/00016348909013276
Subject(s) - pelvimetry , medicine , cephalopelvic disproportion , obstetrics , vaginal delivery , pregnancy , cesarean delivery , pelvis , gynecology , surgery , caesarean section , biology , genetics
A retrospective analysis was made of the second deliveries of 492 women who had previously undergone emergency cesarean section with a clinical indication of cephalopelvic disproportion and had undergone X‐ray pelvimetry. In their index (second) pregnancy, 234 (47%) had an elective cesarean section; 122 (25%) gave birth vaginally and 136 (28%) had undergone an emergency cesarean section. Maternal height had a moderate value as a surrogate measure of pelvic capacity. A trial labor was more often allowed in women with larger obstetrical conjugate (inlet) measurements but likelihood of a successful outcome of labor was not influenced by the above pelvic measurements. A baby weighing more than 4000 g was associated with a greatly reduced chance of a vaginal delivery. The study confirms the limitations of X‐ray pelvimetry measurements and proposes that antenatal estimation of fetal size may be of benefit in determining the likelihood of success in a trial labor.