Related Experiment Video
Updated: Jan 27, 2026

Nest Building Behavior as an Early Indicator of Behavioral Deficits in Mice
Published on: October 19, 2019
Behavioral Characteristics and Medicolegal Identification of Infanticide
1Institute of Criminal Science and Technology, Pudong Branch of Shanghai Public Security Bureau, Shanghai 220135, China.
Insights
Infanticide, often concealed, requires legal medical attention. Key identification methods for live births and causes of death, including asphyxia and head trauma, are crucial for medicolegal experts.
Area of Science:
- Forensic Medicine
- Pediatric Pathology
- Legal Medicine
Background:
- Infanticide presents unique challenges due to underreporting and specific behavioral patterns.
- Perpetrators are often unmarried mothers with limited education and no prenatal care.
- Accurate medicolegal identification of infanticide is essential.
Purpose of the Study:
- To highlight the importance of infanticide detection for legal medical experts.
- To review methods for identifying live births and causes of death in infanticide cases.
- To discuss pathological findings in shaken baby syndrome.
Main Methods:
- Classical lung floating test and advanced methods like CT imaging and immunohistochemistry for live birth determination.
- Neonatal line measurement for severely decomposed remains.
- Autopsy examination focusing on asphyxia, head trauma, and shaken baby syndrome indicators.
Main Results:
- Common perpetrator profile identified: unmarried, less educated mothers lacking prenatal care.
- Multiple methods exist for live birth identification, including advanced imaging and biochemical markers.
- Mechanic asphyxia and fatal head trauma are primary causes of death.
- Shaken baby syndrome characterized by encephalopathy, subdural hemorrhage (SDH), and retinal hemorrhage (RH).
Conclusions:
- Infanticide necessitates specialized legal medical expertise due to its concealed nature.
- A comprehensive approach combining traditional and modern techniques is vital for accurate diagnosis.
- Thorough autopsy, including examination for shaken baby syndrome, is critical in suspected infanticide cases.
Abstract:
Due to the concealment and incidence higher than reported statistics, infanticide should attract the attention of legal medical experts. The infanticide process has common behavioral characteristics. The perpetrators are most frequently biological mothers who are unmarried, with inferior education, and lack of routine pregnancy tests. Medicolegal identification of infanticide cases includes identification of live births and causes of death. Besides the classical lung floating test, there are other methods to identify live births such as pulmonary interstitial emphysema, CT imaging examination, immunohistochemical examination of umbilical cord vitality markers. Neonatal line measurement is the only way to identify live births in corpse with severe decomposition. The main causes of death in infanticide are mechanic asphyxia and fatal head trauma. Shaken baby syndrome, as a common abusive head trauma, is pathologically characterized by the triad of encephalopathy, subdural haemorrhage (SDH) and retinal haemorrhage (RH). During the autopsy of suspected shaking baby syndrome, in addition to carefully examining cervical cord, the possibility of pathological temporal lobe hemorrhage should also be ruled out.
More Related Videos
Related Concept Videos
Causes of Social Behavior I: Actions and Characteristics of Individuals
Characteristics of Life
Characteristics of Fluids
Characteristics of Fluids
Fluids, which include both liquids and gases, are substances that deform continuously under shearing stress. For example, water and oil are liquids with molecules that can...
Characteristics of BJT
For input characteristics, the base-emitter voltage is varied, maintaining a constant collector-emitter voltage. This setup reveals a Shockley-type dependence of the collector current on...
Characteristics of JFET
The core of a JFET's operation is controlling drain current by modulating the gate-source voltage. When the drain and gate voltage are set to zero, the JFET exhibits no net current flow, representing a state of equilibrium. The drain current increases linearly as the...

