Risk of Cesarean Section in Primiparous Women Over 35 Years of Age.

Risk of Cesarean Section and Perinatal Complications in Primiparous Women Over 35 Years of Age. A Retrospective Cohort Study.

The investigators reviewed Saint Thomas Maternity Hospital's database during a 5 year period and compared two cohorts of patients (primiparous women over 35 years of age and primiparous woman between 20 and 34 years of age). The objective was to determine the risk of cesarean section and other perinatal complications between the groups.

Inclusion Criteria:

• Pregnant Primiparous women.
• Birth after 22 weeks and neonatal weight > 501g.

Exclusion Criteria:

• Multiparity.
• Birth before 22 weeks or neonatal weight < 500g.