Perinatal Outcomes Related to the Presence of a Nuchal Cord During Delivery: A Retrospective Cohort Study
<b>Objective</b>: To evaluate and compare whether the presence of a nuchal cord (NC) and its characteristics had a negative impact on perinatal outcomes during delivery. <b>Methods</b>: This was a retrospective cohort study that analyzed the medical records of pregnant women...
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MDPI AG
2025-05-01
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| Series: | Diagnostics |
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| Online Access: | https://www.mdpi.com/2075-4418/15/10/1197 |
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| author | Gabriel Viana Silva Carolina Toledo Gontijo Ana Paola Cruz Lunguinho Mário Sérgio Gomes Caetano Gustavo Yano Callado Edward Araujo Júnior Alberto Borges Peixoto |
| author_facet | Gabriel Viana Silva Carolina Toledo Gontijo Ana Paola Cruz Lunguinho Mário Sérgio Gomes Caetano Gustavo Yano Callado Edward Araujo Júnior Alberto Borges Peixoto |
| author_sort | Gabriel Viana Silva |
| collection | DOAJ |
| description | <b>Objective</b>: To evaluate and compare whether the presence of a nuchal cord (NC) and its characteristics had a negative impact on perinatal outcomes during delivery. <b>Methods</b>: This was a retrospective cohort study that analyzed the medical records of pregnant women from March 2020 to June 2023. Pregnant women were divided into groups with and without an NC. Singleton pregnancies ≥ 37 weeks were included, excluding fetal malformations, chromosomal anomalies, and cases with missing data and cord blood gas. <b>Results</b>: Of the 3364 medical records analyzed, 466 were included—366 without and 100 with an NC. Among the cases with an NC, 91% had one loop and 9% had ≥ two loops; 82% were loose and 18% were tight. Pregnant women with an NC had a higher gestational age (39.7 vs. 39.1 weeks, <i>p</i> = 0.006), fewer deliveries (1.0 vs. 2.0, <i>p</i> = 0.035), and a higher prevalence of cesarean sections (99% vs. 60.4%, <i>p</i> < 0.001). An NC was associated with a lower Apgar score at the 1st minute (8 vs. 9, <i>p</i> = 0.014) and higher arterial cord blood pH (7.27 vs. 7.24, <i>p</i> = 0.020). The presence of a tight cord was significantly associated with a 7.52-fold increased risk of an Apgar score < 7 at the 1st minute [x<sup>2</sup>(1) = 5.92, OR: 7.52, 95% CI: 1.51–37.31, R<sup>2</sup> Nagelkerke: 0.14, <i>p</i> = 0.014]. <b>Conclusions</b>: There was no effect of the presence of an NC on adverse perinatal outcomes. However, the presence of a tight NC was associated with an increased risk of an Apgar score < 7 at the 1st minute, but no other effect on neonatal outcomes. |
| format | Article |
| id | doaj-art-d6dee4ab2cb743e0969624f58c5c30e6 |
| institution | DOAJ |
| issn | 2075-4418 |
| language | English |
| publishDate | 2025-05-01 |
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| series | Diagnostics |
| spelling | doaj-art-d6dee4ab2cb743e0969624f58c5c30e62025-08-20T03:14:31ZengMDPI AGDiagnostics2075-44182025-05-011510119710.3390/diagnostics15101197Perinatal Outcomes Related to the Presence of a Nuchal Cord During Delivery: A Retrospective Cohort StudyGabriel Viana Silva0Carolina Toledo Gontijo1Ana Paola Cruz Lunguinho2Mário Sérgio Gomes Caetano3Gustavo Yano Callado4Edward Araujo Júnior5Alberto Borges Peixoto6Department of Obstetrics and Gynecology, Federal University of Triângulo Mineiro (UFTM), Uberaba 38025-440, MG, BrazilDepartment of Obstetrics and Gynecology, Federal University of Triângulo Mineiro (UFTM), Uberaba 38025-440, MG, BrazilDepartment of Obstetrics and Gynecology, Federal University of Triângulo Mineiro (UFTM), Uberaba 38025-440, MG, BrazilDepartment of Obstetrics and Gynecology, Federal University of Triângulo Mineiro (UFTM), Uberaba 38025-440, MG, BrazilAlbert Einstein Israelite College of Health Sciences, Albert Einstein Israelite Hospital, São Paulo 05653-120, SP, BrazilDepartment of Obstetrics, Paulista School of Medicine—Federal University of São Paulo (EPM-UNIFESP), São Paulo 04023-062, SP, BrazilDepartment of Obstetrics and Gynecology, Federal University of Triângulo Mineiro (UFTM), Uberaba 38025-440, MG, Brazil<b>Objective</b>: To evaluate and compare whether the presence of a nuchal cord (NC) and its characteristics had a negative impact on perinatal outcomes during delivery. <b>Methods</b>: This was a retrospective cohort study that analyzed the medical records of pregnant women from March 2020 to June 2023. Pregnant women were divided into groups with and without an NC. Singleton pregnancies ≥ 37 weeks were included, excluding fetal malformations, chromosomal anomalies, and cases with missing data and cord blood gas. <b>Results</b>: Of the 3364 medical records analyzed, 466 were included—366 without and 100 with an NC. Among the cases with an NC, 91% had one loop and 9% had ≥ two loops; 82% were loose and 18% were tight. Pregnant women with an NC had a higher gestational age (39.7 vs. 39.1 weeks, <i>p</i> = 0.006), fewer deliveries (1.0 vs. 2.0, <i>p</i> = 0.035), and a higher prevalence of cesarean sections (99% vs. 60.4%, <i>p</i> < 0.001). An NC was associated with a lower Apgar score at the 1st minute (8 vs. 9, <i>p</i> = 0.014) and higher arterial cord blood pH (7.27 vs. 7.24, <i>p</i> = 0.020). The presence of a tight cord was significantly associated with a 7.52-fold increased risk of an Apgar score < 7 at the 1st minute [x<sup>2</sup>(1) = 5.92, OR: 7.52, 95% CI: 1.51–37.31, R<sup>2</sup> Nagelkerke: 0.14, <i>p</i> = 0.014]. <b>Conclusions</b>: There was no effect of the presence of an NC on adverse perinatal outcomes. However, the presence of a tight NC was associated with an increased risk of an Apgar score < 7 at the 1st minute, but no other effect on neonatal outcomes.https://www.mdpi.com/2075-4418/15/10/1197nuchal cordtight corddeliveryadverse perinatal outcomes |
| spellingShingle | Gabriel Viana Silva Carolina Toledo Gontijo Ana Paola Cruz Lunguinho Mário Sérgio Gomes Caetano Gustavo Yano Callado Edward Araujo Júnior Alberto Borges Peixoto Perinatal Outcomes Related to the Presence of a Nuchal Cord During Delivery: A Retrospective Cohort Study Diagnostics nuchal cord tight cord delivery adverse perinatal outcomes |
| title | Perinatal Outcomes Related to the Presence of a Nuchal Cord During Delivery: A Retrospective Cohort Study |
| title_full | Perinatal Outcomes Related to the Presence of a Nuchal Cord During Delivery: A Retrospective Cohort Study |
| title_fullStr | Perinatal Outcomes Related to the Presence of a Nuchal Cord During Delivery: A Retrospective Cohort Study |
| title_full_unstemmed | Perinatal Outcomes Related to the Presence of a Nuchal Cord During Delivery: A Retrospective Cohort Study |
| title_short | Perinatal Outcomes Related to the Presence of a Nuchal Cord During Delivery: A Retrospective Cohort Study |
| title_sort | perinatal outcomes related to the presence of a nuchal cord during delivery a retrospective cohort study |
| topic | nuchal cord tight cord delivery adverse perinatal outcomes |
| url | https://www.mdpi.com/2075-4418/15/10/1197 |
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