Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Local Anesthetics: Clinical Application as Epidural Anesthesia

Local Anesthetics: Clinical Application as Epidural Anesthesia

Epidural anesthetics are administered in the fat-filled epidural space, the outermost part of the spinal canal. This technique is commonly employed for pain management and anesthesia during lower abdomen and pelvis surgeries or labor and delivery.
Since epidural anesthetics can be infused through an epidural catheter, all types of drugs, including short-acting ones, can be administered. Chloroprocaine and lidocaine are examples of short and long-duration anesthetics, respectively. Bupivacaine...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Does the number of abnormal values in the oral glucose tolerance test impact pregnancy outcomes?

BMC pregnancy and childbirth·2026

Same author

Membrane sweeping versus double-balloon catheter for cervical ripening: A randomized controlled trial.

American journal of obstetrics & gynecology MFM·2026

Same author

Gestational Hypothyroidism and Pregnancy Outcomes Following Hemithyroidectomy: A Nationwide Matched Cohort Study.

The Journal of clinical endocrinology and metabolism·2026

Same author

Walking through trimesters: a quantitative assessment of step counts before and during pregnancy and their impact on pregnancy outcomes.

Archives of gynecology and obstetrics·2026

Same author

Pregnancy outcomes after ultrasound- and physical examination-indicated cervical cerclage: a retrospective cohort study.

Archives of gynecology and obstetrics·2026

Same author

The role of sonographic estimated fetal weight compared to clinical assessment: superior accuracy only in extreme fetal weight cases.

BMC pregnancy and childbirth·2026

Search research articles

Related Experiment Video

Updated: Jan 15, 2026

Instrumentation of Near-term Fetal Sheep for Multivariate Chronic Non-anesthetized Recordings

Instrumentation of Near-term Fetal Sheep for Multivariate Chronic Non-anesthetized Recordings

Published on: October 25, 2015

Early versus late amniotomy during twin labor.

Or Eliner^1,2, Inbar Lidor^2,3, Or Touval^1,2

¹Department of Obstetrics and Gynecology, Meir Medical Center, Kfar Saba, Israel.

International Journal of Gynaecology and Obstetrics: the Official Organ of the International Federation of Gynaecology and Obstetrics

|January 14, 2026

Summary

This summary is machine-generated.

Early amniotomy in dichorionic diamniotic (DCDA) twin labor increases intrapartum cesarean risk without affecting labor duration or neonatal outcomes. Individualize amniotomy timing, avoiding routine early rupture.

Keywords:

amniotomy cesarean delivery neonatal morbidity twin gestation

More Related Videos

Guide Wire Assisted Catheterization and Colored Dye Injection for Vascular Mapping of Monochorionic Twin Placentas

Guide Wire Assisted Catheterization and Colored Dye Injection for Vascular Mapping of Monochorionic Twin Placentas

Published on: September 5, 2011

Accurate and Simple Evaluation of Vascular Anastomoses in Monochorionic Placenta using Colored Dye

Accurate and Simple Evaluation of Vascular Anastomoses in Monochorionic Placenta using Colored Dye

Published on: September 5, 2011

Related Experiment Videos

Last Updated: Jan 15, 2026

Instrumentation of Near-term Fetal Sheep for Multivariate Chronic Non-anesthetized Recordings

Instrumentation of Near-term Fetal Sheep for Multivariate Chronic Non-anesthetized Recordings

Published on: October 25, 2015

Guide Wire Assisted Catheterization and Colored Dye Injection for Vascular Mapping of Monochorionic Twin Placentas

Guide Wire Assisted Catheterization and Colored Dye Injection for Vascular Mapping of Monochorionic Twin Placentas

Published on: September 5, 2011

Accurate and Simple Evaluation of Vascular Anastomoses in Monochorionic Placenta using Colored Dye

Accurate and Simple Evaluation of Vascular Anastomoses in Monochorionic Placenta using Colored Dye

Published on: September 5, 2011

Area of Science:

Obstetrics and Gynecology
Maternal-Fetal Medicine
Perinatal Research

Background:

Amniotomy, the artificial rupture of membranes, is a common obstetric procedure.
The optimal timing of amniotomy during labor, particularly in twin gestations, remains debated.
Dichorionic diamniotic (DCDA) twin pregnancies represent the majority of twin births and have unique labor considerations.

Purpose of the Study:

To evaluate the impact of amniotomy timing on labor characteristics in DCDA twin pregnancies.
To assess the effect of early versus late amniotomy on maternal and neonatal outcomes in twin deliveries.
To provide evidence-based recommendations regarding amniotomy timing in DCDA twin labor.

Main Methods:

Retrospective analysis of 565 dichorionic diamniotic twin pregnancies with a vertex-presenting leading twin.
Cohort divided into early amniotomy (≤3 cm cervical dilation) and late amniotomy (>3 cm cervical dilation) groups.
Comparison of maternal demographics, labor characteristics, and neonatal outcomes between the two groups.

Main Results:

Early amniotomy was associated with significantly higher rates of intrapartum cesarean delivery (24.4% vs. 9.8%).
Labor duration, induction/augmentation rates, and neonatal outcomes (including NICU admission and composite morbidity) were comparable between groups.
Adjusted analysis confirmed early amniotomy as an independent risk factor for cesarean delivery.

Conclusions:

Early amniotomy (≤3 cm dilation) in DCDA twin labor is linked to an increased risk of intrapartum cesarean.
The timing of amniotomy does not appear to influence labor duration or neonatal well-being in this population.
Routine early amniotomy in DCDA twin gestations should be approached with caution; timing should be individualized.