Pregnancy outcomes of repeat cesarean section in Peking Union Medical College Hospital.
OBJECTIVE
To evaluate the effect of elective repeat cesarean section on the maternal and neonatal outcomes.


METHODS
A retrospective clinic- and hospital-based survey was designed for comparing the maternal and neonatal outcomes of elective repeat cesarean section [RCS group (one previous cesarean section) and MRCS group (two or more previous cesarean sections)] and primary cesarean section (FCS group) at Peking Union Medical College Hospital from January 1998 to December 2007.


RESULTS
The incidence of repeat cesarean section increased from 1.26% to 7.32%. The mean gestational age at delivery in RCS group (38.1+/-1.8 weeks) and MRCS group (37.3+/-2.5 weeks) were significantly shorter than that in FCS group (38.9+/-2.1 weeks, all P<0.01). The incidence of complication was 33.8% and 33.3% in RCS group and MRCS group respectively, and was significantly higher than that in FCS group (7.9%, P<0.05). Dense adhesion (13.5% vs. 0.4%, OR=7.156, 95% CI: 1.7-30.7, P<0.01) and uterine rupture (1.0% vs. 0, P<0.05) were commoner in RCS group compared with FCS group. Neonatal morbidity was similar among three groups (P>0.05).


CONCLUSIONS
Repeat cesarean section is associated with more complicated surgery technique and increased frequency of maternal morbidity. However, the incidence of neonatal morbidity is similar to primary cesarean section.
Ma
Liang-Kun
LK
Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China.
Liu
Na
N
Bian
Xu-Ming
XM
Teng
Li-Rong
LR
Qi
Hong
H
Gong
Xiao-Ming
XM
Liu
Jun-Tao
JT
Yang
Jian-Qiu
JQ
D000328:Adult; D002585:Cesarean Section / Q000009:adverse effects; D017604:Cesarean Section, Repeat / Q000009:adverse effects; D002681:China / Q000453:epidemiology; D005260:Female; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D011183:Postoperative Complications / Q000453:epidemiology; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology; D011256:Pregnancy Outcome; D012189:Retrospective Studies