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Related Concept Videos

Second Uniqueness Theorem01:16

Second Uniqueness Theorem

Consider a region consisting of several individual conductors with a definite charge density in the region between these conductors. The second uniqueness theorem states that if the total charge on each conductor and the charge density in the in-between region are known, then the electric field can be uniquely determined.
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Unusual Results01:16

Unusual Results

Unusual results are those that have a very low chance of occurring. Unusual results can be identified using probabilities and the range rule of thumb. In problems involving probability, unusual results can be observed in 2 instances – an unusually high number of successes or an unusually low number of successes.
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Nondisjunction01:29

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Nondisjunction01:21

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Related Experiment Video

Updated: May 13, 2026

Model Surgical Training: Skills Acquisition in Fetoscopic Laser Photocoagulation of Monochorionic Diamniotic Twin Placenta Using Realistic Simulators
09:51

Model Surgical Training: Skills Acquisition in Fetoscopic Laser Photocoagulation of Monochorionic Diamniotic Twin Placenta Using Realistic Simulators

Published on: March 21, 2018

Locked twins: a rarity.

T Borah1, A Das

  • 1Department Obstetrics and Gynecology, North Eastern Indira Gandhi Regional Institute of Health and Medical Sciences, Mawdiangdiang, Shillong, Meghalaya, India.

Annals of Medical and Health Sciences Research
|February 27, 2013
PubMed
Summary

Locked twins are a rare but dangerous obstetric emergency. Early diagnosis and Cesarean delivery in twin gestations with specific presentations can prevent fetal death.

Area of Science:

  • Obstetrics
  • Maternal-Fetal Medicine
  • Neonatal Survival

Background:

  • Locked twins is a rare and hazardous obstetric complication.
  • Twin gestations present unique challenges in labor and delivery.
  • Prompt recognition and intervention are crucial for favorable outcomes.

Observation:

  • This case involved an unbooked twin pregnancy presenting in advanced labor.
  • The first twin was deceased due to arrested aftercoming head.
  • The second twin was successfully delivered via Cesarean section.

Findings:

  • Antenatal diagnosis of twin gestation with a leading breech and second twin cephalic presentation should raise suspicion for locked twins.
  • Delayed intervention in this case led to the demise of the first twin.
Keywords:
Breech presentationInterlocking twinPerinatal death

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Guide Wire Assisted Catheterization and Colored Dye Injection for Vascular Mapping of Monochorionic Twin Placentas
09:04

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
09:52

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

Published on: September 5, 2011

Related Experiment Videos

Last Updated: May 13, 2026

Model Surgical Training: Skills Acquisition in Fetoscopic Laser Photocoagulation of Monochorionic Diamniotic Twin Placenta Using Realistic Simulators
09:51

Model Surgical Training: Skills Acquisition in Fetoscopic Laser Photocoagulation of Monochorionic Diamniotic Twin Placenta Using Realistic Simulators

Published on: March 21, 2018

Guide Wire Assisted Catheterization and Colored Dye Injection for Vascular Mapping of Monochorionic Twin Placentas
09:04

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
09:52

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

Published on: September 5, 2011

Implications:

  • Timely Cesarean delivery in suspected locked twin cases can prevent fetal mortality.
  • Improved antenatal surveillance and awareness of locked twin risk factors are essential.
  • This case highlights the importance of timely Cesarean delivery in managing obstetric emergencies.