Effect of progesterone on uterine and placental vascular resistance in women at risk of preterm birth

Effect of different dosage of progesterone on uterine and placental vascular resistance in women at risk of preterm birth

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20151228025732N48

Enrollment

Registered

2020-02-04

Start date

2019-10-22

Completion date

Unknown

Last updated

2020-02-24

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

Conditions

Preterm labour. Preterm labor without delivery

Interventions

Intervention 1: Intervention group 1: In this group, a 400 mg progesterone suppository will be used vaginally according to the treatment protocol. Intervention 2: Intervention group 2: In this group,

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Singleton pregnancy Pregnancy age 24 to 33 weeks

Exclusion criteria

Exclusion criteria: A history of intrauterine insemination (IUI) In Vitro Fertilization history (IVF)

Design outcomes

Primary

Measure	Time frame
Uterine artery Resistance Index. Timepoint: Before and 48 hours after intervention. Method of measurement: Doppler ultrasound.;Uterine artery Pulsatility Index. Timepoint: Before and 48 hours after intervention. Method of measurement: Doppler ultrasound.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactMojgan Rahmanian

Semnan University of Medical Sciences

are20935@gmail.com+98 23 3345 1336

Outcome results

None listed

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