effect of evening primrose oil on cervical ripening

Comparing effect of oral and vaginal evening primrose oil on cervical ripening in pregnant women

Status

Active, not recruiting

Phases

Phase 3

Study type

Interventional

Source

IRCT

Registry ID

IRCT20200118046180N1

Enrollment

120

Registered

2020-07-23

Start date

2020-02-04

Completion date

Unknown

Last updated

2020-08-17

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

Conditions

Cervical ripening.

Interventions

Intervention 1: First intervention group: In the first group, a bottle containing 1000 mg of evening primrose oil capsule made by Barij Essence Company will be given to mothers to use vaginally every

Eligibility

Sex/Gender

Female

Age

18 Years to 35 Years

Inclusion criteria

Inclusion criteria: Primiparous and low-risk pregnant women Gestational age 39 weeks Cephalic presentation bishop score of 4 or less Single pregnancy

Exclusion criteria

Exclusion criteria: A history of uterine surgery

Design outcomes

Secondary

Measure	Time frame
Duration of hospitalization to delivery. Timepoint: Duration of hospitalization to delivery. Method of measurement: questionnaire.;Newborn Agar score. Timepoint: The first minute and Fifth minutes after birth. Method of measurement: questionnaire.;Type of delivery. Timepoint: End of intervention. Method of measurement: questionnaire.;Need to induction. Timepoint: hospitalization until delivery. Method of measurement: questionnaire.	—

Measure

Time frame

Duration of hospitalization to delivery. Timepoint: Duration of hospitalization to delivery. Method of measurement: questionnaire.;Newborn Agar score. Timepoint: The first minute and Fifth minutes after birth. Method of measurement: questionnaire.;Type of delivery. Timepoint: End of intervention. Method of measurement: questionnaire.;Need to induction. Timepoint: hospitalization until delivery. Method of measurement: questionnaire.

—

Primary

Measure	Time frame
Cervical Preparation. Timepoint: Before the intervention and at the time of hospitalization for delivery. Method of measurement: Bishop's score measurement.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactParisa Heydari

Tehran University of Medical Sciences

parisa.heydary@yahoo.com+98 35 3242 6594

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026