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.

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT03771976

Enrollment

572

Registered

2018-12-11

Start date

2017-04-01

Completion date

2018-02-23

Last updated

2018-12-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Pregnancy Complications

Keywords

Older women (>35 years of age), Primipara, Cesarean section

Brief summary

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.

Interventions

PROCEDURECesarean section

Risk of cesarean section between the cohorts

PROCEDURENo cesarean section

Vaginal birth rate between the cohorts

Study design

Observational model

COHORT

Time perspective

RETROSPECTIVE

Eligibility

Sex/Gender

FEMALE

Healthy volunteers

Inclusion criteria

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

Exclusion criteria

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

Design outcomes

Primary

Measure	Time frame	Description
Risk of cesarean section	5 years	Rate of cesarean sections (birth by cesarean section), independent of the reason.

Secondary

Measure	Time frame	Description
Perinatal complications	5 years	Any combination of perinatal complications (Stillbirth, low apgar score) between groups.

Countries

Panama

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026