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Original ArticleOpen Access
Success Rate of Vaginal Birth after Cesarean Delivery at Maharaj Nakorn Chiang Mai Hospital
song TT 
,
Jitawong C
,
Jitawong C THEERA TONGSONG, MD*,
CHANTIP JITA WONG, MD*
Objective
: To study the success rate of vaginal birth after cesarean delivery (VBAC) in
pregnant women with prior cesarean scar who delivered at Maharaj Nakom Chiang Mai Hospital.
Study Design:
Prospective descriptive study.
Setting
: Maharaj Nakom Chiang Mai Hospital, Chiang Mai, Thailand.
Subject
: One hundred and seventy-seven pregnant women with one or two prior cesarean
deliveries, who attended the antenatal clinic and delivered at Maharaj Nakom Chiang Mai Hospital
between January, 2000 and September, 2002 were recruited with written informed consents.
Intervention
: Systematic non-directive counseling concerning VBAC compared with elec-
tive repeated cesarean delivery was given to the pregnant women. Couples freely chose their preferred
route of delivery and were informed that they could change their mind at anytime. Subjects attended
the high risk antenatal care clinic. Patients who requested repeated cesarean deliveries were scheduled
for the operation at 38 weeks of gestation. All VBAC patients were admitted to the labor unit when in
labor and were closely monitored. Labor and postpartum information was prospectively recorded.
Main Outcome Measure
: Success rate of VB A
C.
Result
: Of 177 counselled women, 118 chose VBAC, 54 chose repeated cesarean and 5 could
not make a decision. Thirty-three of the 177 cases were excluded, leaving 98 in the VBAC group and 46
in the repeated cesarean group. Baseline characteristics of the patients in both groups were not signi-
ficantly different. Nineteen of the 98 cases were delivered by cesarean section because of obstetric
indications ( l2/l9) and changed their minds during the antenatal period (7 /l9). Forty-three of 79 cases
had successful vaginal delivery, and 36 underwent repeated cesarean deliveries due to obstetric indica-
tions ( 19/36) and changed their minds during labor ( 17 /36). The success rate of VBAC after trial of labor
was 54.4 per cent (43 in 79). No uterine rupture or serious complication occurred in the present study.
830
CHANTIP JITA WONG, MD*
Objective
: To study the success rate of vaginal birth after cesarean delivery (VBAC) in
pregnant women with prior cesarean scar who delivered at Maharaj Nakom Chiang Mai Hospital.
Study Design:
Prospective descriptive study.
Setting
: Maharaj Nakom Chiang Mai Hospital, Chiang Mai, Thailand.
Subject
: One hundred and seventy-seven pregnant women with one or two prior cesarean
deliveries, who attended the antenatal clinic and delivered at Maharaj Nakom Chiang Mai Hospital
between January, 2000 and September, 2002 were recruited with written informed consents.
Intervention
: Systematic non-directive counseling concerning VBAC compared with elec-
tive repeated cesarean delivery was given to the pregnant women. Couples freely chose their preferred
route of delivery and were informed that they could change their mind at anytime. Subjects attended
the high risk antenatal care clinic. Patients who requested repeated cesarean deliveries were scheduled
for the operation at 38 weeks of gestation. All VBAC patients were admitted to the labor unit when in
labor and were closely monitored. Labor and postpartum information was prospectively recorded.
Main Outcome Measure
: Success rate of VB A
C.
Result
: Of 177 counselled women, 118 chose VBAC, 54 chose repeated cesarean and 5 could
not make a decision. Thirty-three of the 177 cases were excluded, leaving 98 in the VBAC group and 46
in the repeated cesarean group. Baseline characteristics of the patients in both groups were not signi-
ficantly different. Nineteen of the 98 cases were delivered by cesarean section because of obstetric
indications ( l2/l9) and changed their minds during the antenatal period (7 /l9). Forty-three of 79 cases
had successful vaginal delivery, and 36 underwent repeated cesarean deliveries due to obstetric indica-
tions ( 19/36) and changed their minds during labor ( 17 /36). The success rate of VBAC after trial of labor
was 54.4 per cent (43 in 79). No uterine rupture or serious complication occurred in the present study.
830
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