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Starting soon Not applicable

30-Second Versus Pulsation-Based Delayed Cord Clamping in Term Newborns

NCT07833059 · tracked via the Priya Life Science Turkey tracker
Phase
Not applicable
Started
2026-10
Last updated
2026-09-22

Condition(s) studied

Umbilical Cord Clamping

Investigational drug(s) / intervention(s)

Pulsation-Based Delayed Cord Clamping30-Second Cord Clamping

Pulsation-Based Delayed Cord Clamping: The umbilical cord will remain intact after birth until cord pulsation spontaneously and completely ceases. During this period, the newborn will be placed on the mother's abdomen for skin-to-skin contact and routine thermal protection. After complete cessation of cord pulsation, the umbilical cord will be clamped and cut. The actual time from birth to cord clamping will be recorded in seconds.

30-Second Cord Clamping: The umbilical cord will be clamped and cut 30 seconds after birth. During this period, the newborn will be placed on the mother's abdomen for skin-to-skin contact and routine thermal protection. The actual time from birth to cord clamping will be recorded in seconds.

Study summary

This randomized controlled trial aims to compare the effects of 30-second cord clamping and pulsation-based delayed cord clamping on neonatal metabolic adaptation in term newborns delivered vaginally. Eligible mother-newborn pairs will be randomly assigned in a 1:1 ratio to either 30-second cord clamping or pulsation-based delayed cord clamping. In the intervention group, the umbilical cord will be clamped after spontaneous cessation of cord pulsation, whereas in the control group, the cord will be clamped 30 seconds after birth. The primary outcome is umbilical arterial lactate level. Secondary outcomes include umbilical arterial pH, pCO2, pO2, HCO3-, base deficit, 1- and 5-minute Apgar scores, and maternal postpartum blood loss.

Eligibility

Sex
FEMALE
Min age
18 Years
Max age
—
Healthy volunteers
Accepted
Inclusion Criteria: * Pregnant women admitted to the Delivery Unit of Seyhan State Hospital MARSA Additional Service Building for vaginal delivery * Aged 18 years or older * Term pregnancy * Singleton, live pregnancy * Fetus in cephalic (vertex) presentation * Established vaginal labor and in the active phase of labor * Voluntary agreement to participate in the study and provision of written informed consent Exclusion Criteria: * Planned elective or emergency cesarean delivery at admission or at the beginning of labor * Preterm or post-term pregnancy * Multiple pregnancy * Diagnosis of fetal growth restriction (IUGR) or fetal macrosomia * Intrauterine fetal death or major fetal congenital anomaly * High-risk maternal or obstetric conditions, including severe preeclampsia, eclampsia, placental abruption, or placenta previa * Meconium-stained amniotic fluid or a depressed newborn requiring advanced neonatal resuscitation, such as endotracheal intubation or chest compressions

Primary outcome measure(s)

  • Umbilical Arterial Lactate Level — Immediately after birth, following umbilical cord clamping
    Umbilical arterial lactate level will be measured from an arterial blood sample obtained from the isolated umbilical cord segment after cord clamping and reported in mmol/L. Lactate levels will be compared between the pulsation-based delayed cord clamping group and the 30-second cord clamping group.

Trial sites (1)

FacilityCityRegionStatus
Seyhan State Hospital MARSA Additional Service Building Adana Turkey (Türkiye)
Official registry record

This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.

View NCT07833059 on ClinicalTrials.gov ↗ ← All trials in Turkey