Effect of Evening Primrose Oil on cervical ripening and pregnancy outcomes

Recruitment & Eligibility

Status: Complete

Sex: Female

Target Recruitment: 80

Inclusion Criteria

Inclusion criterias: cephalic presentation; alive fetus; with gestational age 40 weeks to (40 weeks + 6 days) based on LMP or ultrasound in first trimester; Normal patterns of fetal heart rate; Without uterine contractions; cervical bishop score less than 4 intact membranous; Maternal height more than 150 cm; non-addicted persons; normal adjusted BPP at the time of inclusion;An ultrasound of the placental grading;weight of fetus between 2500-4000 grams based on physical examination or ultrasonography; Low-risk pregnancy ( have no known surgical and internal disease or pregnancy complication such as previa, abruption, preeclampsia , no known fetal problems;Avoiding the enema, Intercourse, laxatives, the use of herbal medicines, chemical or traditional methods for induction of labor; Lack of vaginal examination 24 hours before the begining till end of the study; Exclusion criterias: appears possible side effects of drugs such as headache, nausea, diarrhea and etc, those who consume them is less than two capsule per day, withdrew from the partnership at any stage of the study.

Exclusion Criteria

Not provided

Study & Design

Study Type: interventional

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Ripening Of cervix. Timepoint: During the first week of intervention and labor. Method of measurement: bishop score Table.

Secondary Outcome Measures

Name	Time	Method
Duration of first? second and third stages of labor. Timepoint: During the first week of intervention and labor. Method of measurement: chronometer/Examination /check list/observation.;Type of delivery. Timepoint: During the first week of intervention and labor. Method of measurement: End of study/observation.;Infant apgar score. Timepoint: first and fifth minute after delivery. Method of measurement: 7 and more, under 7(According to Apgar table).;Neonatal transport to NICU. Timepoint: During the first 24 hours after childbirth. Method of measurement: check list.;Induction. Timepoint: During the labor. Method of measurement: check list/observation.;The duration of using oxytocin in the active phase. Timepoint: During labor. Method of measurement: chronometer/check list/observation.