The purpose of the study to evaluate the practice and short term maternal and perinatal outcomes of trial of labor after cesarean section offered to women at Ain Shams University Maternity Hospital (ASUMH) during the 3-year period from January 2013 to December 2015.

This is a retrospective study that was performed at Ain Shams University Maternity Hospital.

The following data will be gathered (whenever available), tabulated and subjected to the proper statistical analysis:

History:

• Age
• Duration of marriage
• Inter-pregnancy interval
• Gestational age (by menstrual dates or US)
• Obstetric history (parity, mode of delivery, assisted vaginal delivery, previous vaginal birth after cesarean section, neonatal outcome)
• Present and past history of any medical, surgical or obstetric problems; history of infection after previous CS

General examination:

• General condition
• Vital data

Abdominal examination:

• Fundal level
• Estimated fetal weight (clinically or by US)
• Scar tenderness

Vaginal examination on admission:

• Cervical status
• Station of presenting part
• Membranes status
• Pelvic adequacy

Investigations performed:

• Complete Blood Count
• Ultrasonography

Intrapartum management:

• Progress and duration of labor according to partogram (or admission-delivery time)
• Intrapartum complications; placental abruption, uterine rupture, hysterectomy, complications during surgical intervention if any

Mode of delivery:

• Vaginal delivery (spontaneous, assisted, complications)
• Cesarean section (indication, scar dehiscence)

Postpartum Data:

• Postpartum hemorrhage
• Blood transfusion
• Neonatal outcome; fetal weight, birth trauma, Neonatal Intensive Care Unit admission, mortality

Inclusion Criteria:

• Women admitted in labour
• One prior caesarean section
• Singleton pregnancy
• Vertex-presenting fetus

Exclusion Criteria:

• Prior high-risk uterine scar; uterine rupture, classical CS, hysterotomy or myomectomy

• Short inter-delivery interval (<12 months)

• Complications in the previous CS (e.g. puerperal sepsis)

• Obstetric indication for CS (either elective or emergency):

  • Placenta praevia
  • Placental abruption
  • Documented evidence of cephalopelvic disproportion
  • Fetal macrosomia (estimated fetal weight >4 kg)
  • Fetal anomalies interfering with vaginal delivery e.g. hydrocephalus
  • Fetal distress or non-reassuring Cardiotocography pattern

This is a retrospective study that was performed at Ain Shams University Maternity Hospital Records of hospital admissions during the planned time frame were reviewed. Subjects eligible for conduction of a Trial Of Labor After Cesarean section (TOLAC), were included, while those ineligible for TOLAC were excluded from the study dataset.

1 month

Trials of Labor After Previous Cesarean Section was performed and Adverse Events were assessed.