Preterm labor. Preterm labor without delivery, unspecified trimester
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Single pregnancy with gestational age of 20-34 weeks based on LMP and ultrasound confirmation who presented with pain and consent to participate in the study Cervical length shortening (less than 25 mm) No rupture of membrane Preterm labor history Experience regular uterine contractions at least one occasion leading to an episode of hospitalization for preterm labor Changes in cervical dilatation or effacement confirmed by vaginal ultrasound No maternal hypertension
Exclusion criteria
Exclusion criteria: No follow-up for Doppler ultrasound No proper use of medications Known fetal anomaly and fetal death Tocolytic therapy Progesterone allergy Indications of rapid labor such as fetal distress or severe bleeding
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pulsatility Index (PI). Timepoint: At baseline and 48 hours later. Method of measurement: Abdominal ultrasound transducer 2-5 MHz. | — |
Countries
Iran (Islamic Republic of)
Contacts
Kashan University of Medical Sciences