Study on the role of cervical posterior horn and progression angle in predicting vaginal delivery after induction of labor

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2300074790

Enrollment

Unknown

Registered

2023-08-16

Start date

2022-09-26

Completion date

Unknown

Last updated

2023-08-21

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

Conditions

induced labor

Interventions

Vaginal delivery group/Cesarean section group:N/A

Eligibility

Sex/Gender

Female

Age

18 Years to 40 Years

Inclusion criteria

Inclusion criteria: Primiparous woman, single birth, = 37 weeks old, fetal head position, no contraindications for vaginal delivery, Bishop score<4 points.

Exclusion criteria

Exclusion criteria: Maternal age<18 years or = 40 years old, multiple pregnancies, history of cesarean section, fetal noncephalic presentation, estimated fetal weight over 4500g, fetal dysplasia, stillbirth, Bishop score = 4 points.

Design outcomes

Primary

Measure	Time frame
Outcome of induction of labor (vaginal delivery/cesarean section);	—

Secondary

Measure	Time frame
age;height;weight;Pre-pregnancy body mass index;Induced labor gestational age;Induced labor indications;Fetal occipital position;Head circumference;Abdominal circumference;The femur length;Estimated Fetal weight;Cervical length;Anterior cervical angle;Posterior cervical angle;angle of progression;Bishop score;	—

Countries

China

Contacts

Public ContactWang Yin

Anhui Provincial Maternal and Child Health Hospital

393153144@qq.com+86 551 6216 0038

Outcome results

None listed

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