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Effects of cord clamping timing in at-term elective cesarean section on maternal and neonatal outcomes: a randomized trial

  • Maternal-Fetal Medicine
  • Published:
Archives of Gynecology and Obstetrics Aims and scope Submit manuscript

Abstract

Purpose

This study aimed to compare the effects of early cord clamping (ECC), delayed cord clamping (DCC), and umbilical cord milking (MC) on maternal and neonatal outcomes in elective cesarean births.

Methods

We analyzed 204 women with uncomplicated at-term singleton pregnancies, who underwent cesarean birth under regional anesthesia between March and July 2021. The women were randomized into three groups: DCC (clamped 60 s postpartum), ECC (clamped within 15 s postpartum), or MC (clamped after milking five times) group. The neonatal and maternal outcomes of the groups were evaluated.

Results

The duration of the operation was significantly lower (P < 0.001) in the MC group at 50 min (ECC, 60 min; DCC, 60 min), while intraoperative bleeding was significantly higher (P < 0.001) in the ECC group at 500 mL (DCC, 300 mL; MC, 225 mL). The rates of anemia and polycythemia significantly differed (P = 0.049) between the three groups. DCC and MC did not negatively affect maternal and neonatal outcomes compared with ECC.

Conclusion

DCC and MC are superior to ECC in terms of short-term maternal and neonatal outcomes in cases of elective cesarean birth under regional anesthesia.

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Data availability

The datasets generated and/or analyzed during the current study are available from the corresponding author on reasonable request until 5 years after publication.

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Acknowledgements

We thank the nursing and laboratory staff of Acıbadem Maslak Hospital, with special thanks to Marina Akman, Mehri Bazarova, and Merve Demir. We would also like to thank Editage (www.editage.com) for English language editing.

Funding

This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.

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Authors

Corresponding author

Correspondence to Esra Ozbasli.

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Conflict of interest

The authors have no relevant financial or non-financial interests to disclose.

Ethical approval

This prospective, randomized study was conducted in a single institution from March to July 2021. The study protocol was approved by the Ministry of Health, Turkish Medicines and Medical Devices Agency (E-66175679–514.11.01–350571) and Medical Ethics Committee of the Institutional Ethical Review Board of Acıbadem Mehmet Ali Aydınlar University School of Medicine (ATADEK-2021–01/44). This study was registered at clinicaltrials.gov (NCT04812223) (https://clinicaltrials.gov/ct2/show/NCT04812223).

Consent to participate

All participants who agreed to participate in this study provided written informed consent on the day of the surgery.

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Ozbasli, E., Takmaz, O., Unsal, G. et al. Effects of cord clamping timing in at-term elective cesarean section on maternal and neonatal outcomes: a randomized trial. Arch Gynecol Obstet 309, 1883–1891 (2024). https://doi.org/10.1007/s00404-023-07054-0

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  • DOI: https://doi.org/10.1007/s00404-023-07054-0

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