Infanticide Practice Questions

Q: A 2-week-old infant is brought to the hospital. Parents report a history of a single fall, but X-ray reveals multiple fractures at different stages of healing. What is the most likely diagnosis?

Battered baby syndrome. ***Battered baby syndrome*** - The presence of **multiple fractures** at **different stages of healing** is the most definitive radiological sign of non-accidental injury, indicating repeated trauma over time. - There is a significant discrepancy between the history provided by the parents (a single fall) and the clinical findings, which is a major red flag for child abuse. *Osteogenesis imperfecta* - This is a genetic disorder characterized by brittle bones due to defective **collagen synthesis**, leading to fractures with minimal trauma. However, it does not explain the different stages of healing, which point to injuries occurring at different times. - Other clinical features, such as **blue sclerae**, hearing loss, and dentinogenesis imperfecta, would typically be present but are not mentioned in this case. *Accidental fall* - A single accidental fall would result in injuries that are all in the **same stage of healing**, which contradicts the X-ray findings in this infant. - The pattern and number of fractures are inconsistent with a simple fall, which usually causes a single, isolated injury like a linear skull fracture. *Birth trauma* - Injuries sustained during birth, such as a fractured **clavicle** or humerus, would all have occurred at the same time and thus be in the same healing phase. - At two weeks of age, any new fractures or fractures at different healing stages could not be attributed to the birth event.

Q: What is the Indian Penal Code (IPC) section related to infanticide?

315. ***315*** - Section 315 of the IPC specifically addresses **"Act done with intent to prevent child being born alive or to cause it to die after birth"**. - This is the **primary section dealing with infanticide** in Indian Penal Code. - It covers acts committed with the intention to prevent a child from being born alive or to cause its death after birth. - Punishment: Imprisonment up to 10 years and/or fine. *302* - Section 302 of the IPC deals with **punishment for murder**. - If an infant is born alive and is subsequently killed, it may be prosecuted as **murder** under this section. - However, Section 302 is a general provision for murder, not specifically for infanticide. - Punishment: Death penalty or life imprisonment. *312* - Section 312 of the IPC deals with **causing miscarriage**. - This section applies when a person voluntarily causes a woman to miscarry. - It does not apply to infanticide as it concerns the fetus before birth, not a live-born infant. *318* - Section 318 of the IPC addresses **concealment of birth by secret disposal of dead body**. - This section is relevant when someone secretly disposes of a dead body to conceal the birth. - It is related to but distinct from infanticide itself.

Q: The test based on lung weight is useful in the diagnosis of live birth.

Static test. ***Static test*** - This test is based on the **absolute weight of the lungs** and is used to determine if they have undergone inflation with air after birth. - In a **stillborn fetus**, the lungs are dense and heavy (approximately 1/70th of body weight), while in a live birth, they are lighter due to air inflation (approximately 1/25th of body weight). *Wredin's test* - This test involves measuring the **chloride content of the fetal blood** and is used to estimate the time of death, not specifically live birth. - It differentiates between a stillborn and a liveborn by assessing the presence of **intrapartum asphyxia**. *Breslau's second life test* - This test is a **histological examination** of the lungs to look for evidence of vital reactions or gas exchange. - It involves examining **alveolar distension** and the presence of foreign material in the airways which indicate gasping or breathing movements. *Hydrostatic test* - This test determines if the lungs have **floated when placed in water**, indicating the presence of air from respiration. - It's a qualitative test and can be influenced by decomposition or artificial inflation, hence not solely based on lung weight.

Q: In a case of suspected infanticide, a post-mortem examination is performed, including Breslau's second life test. This test aims to detect changes in which of the following organs?

Stomach and intestines. ***Stomach and intestines*** - **Breslau's second life test** examines the **stomach and intestines** by floating them in water to detect swallowed air, indicating live birth and post-natal respiration. - The presence of air in these organs suggests the infant breathed and swallowed air after birth, distinguishing it from stillbirth. *Brain* - Brain examination is crucial for detecting **head trauma** or **hypoxic-ischemic encephalopathy** but is not the target of **Breslau's second life test**. - Neurological findings help determine cause of death but cannot establish whether the infant breathed independently. *Heart* - Cardiac examination identifies **congenital heart defects** or circulatory abnormalities that may contribute to infant death. - The heart's condition helps establish cause of death but is not assessed in **Breslau's second life test** for evidence of respiration. *Lung* - The lungs are examined in **Breslau's first life test** (hydrostatic lung test) to detect air indicating respiration, not the second test. - While lung examination is vital for determining live birth, **Breslau's second life test** specifically targets the digestive organs.

Q: Killing of a 6 months old child by parents is known as -

Infanticide. ***Infanticide*** - This term specifically refers to the killing of an **infant** (child under 1 year of age), typically by a parent. - In **forensic medicine**, infanticide is legally defined as the intentional killing of a child within **12 months of birth**. - Often committed by the mother during the first year of life, sometimes in the context of **puerperal psychosis** or postpartum mental health issues. - Under **Indian Penal Code Section 315**, specific provisions exist for infanticide, with different penalties compared to murder. *Neonatal homicide* - Refers to the killing of a **neonate** (newborn within the first **28 days** of life). - A 6-month-old child is well beyond the neonatal period, making this term inappropriate. - Also called **neonaticide** in forensic literature. *Genocide* - Refers to the systematic and intentional destruction of a **racial, ethnic, national, or religious group**. - Involves **mass killing** of people, not an individual act. - Completely different from the killing of a single child by parents. *Abortion* - Medical or surgical termination of **pregnancy before viability** (typically before 20-24 weeks of gestation). - Involves termination of a **fetus in utero**, not a child who has already been born. - A 6-month-old child is a live-born infant, making this term completely inapplicable.

Q: A false negative hydrostatic test result is most likely caused by

Atelectasis. ***Atelectasis*** - **Atelectasis** is the collapse of lung tissue, reducing its volume and leading to a significant decrease in the amount of trapped air compared to a fully inflated lung. - A small amount of trapped air due to atelectasis can cause the lung to **sink** in water, mimicking the appearance of a stillborn infant's lung in the hydrostatic test, thus leading to a **false negative** result. *Artificial respiration* - **Artificial respiration** before death can introduce air into the lungs, making them float and potentially causing a **false positive** result (suggesting live birth) if the infant was stillborn. - This process inflates the lungs, which is the opposite of the condition that would cause a false negative due to inadequate air. *Emphysema* - **Emphysema** pathologically increases the air spaces in the lungs, leading to more trapped air. - This condition would cause the lung to **float more easily**, potentially leading to a **false positive** result in a stillborn infant or an exaggerated floating in a live-born infant. *Putrefaction* - **Putrefaction** is the decomposition of tissues after death, which produces gases within the lungs and other organs. - These gases would cause the lungs to **float**, potentially leading to a **false positive** result in a stillborn infant, making it appear as if the infant had breathed.

Q: Concealment of birth is punishable under:

Sec. 318 IPC. ***Sec. 318 IPC*** - This section of the **Indian Penal Code (IPC)** specifically deals with the **concealment of birth by secret disposal of dead body**. - It punishes anyone who, by **secretly burying or otherwise disposing of the dead body of a child**, endeavors to conceal the birth of the child. *Sec. 320 IPC* - This section defines **"grievous hurt"** under the IPC. - It lists various types of injuries that constitute grievous hurt, such as **emasculation**, permanent privation of sight or hearing, fracture or dislocation of a bone, etc., and is unrelated to concealment of birth. *Sec. 317 IPC* - This section pertains to the **exposure and abandonment of a child under twelve years** of age by a parent or person having care of it. - While it deals with offenses against a child, it specifically addresses abandonment rather than the concealment of a dead body after birth. *Sec. 312 IPC* - This section addresses **causing miscarriage**. - It punishes anyone who voluntarily causes a woman with child to miscarry, which is distinct from the act of concealing a birth by disposing of a dead child's body.

Q: Best criterion for determining live birth in suspected infanticide cases?

Hydrostatic test (lung float test). ***Hydrostatic test (lung float test)*** - The **hydrostatic test**, also known as the **lung float test**, is considered the most reliable criterion in forensic pathology for determining if an infant was born alive. - A positive result (lungs float in water) indicates that the infant took at least one breath, suggesting **live birth**, as fetal lungs are solid and sink. *Presence of milk or food in stomach* - While the presence of milk or food indicates a period of survival after birth, it doesn't definitively prove **live birth** over stillbirth if the infant was fed immediately after a perimortem event. - It also doesn't provide information about **respiration**, which is a key indicator of live birth. *Evidence of external injuries* - **External injuries** may indicate foul play or neglect, but they do not confirm that the infant was born alive. - An infant could be **stillborn** and then subjected to injuries, or injuries could occur post-mortem. *Examination of umbilical cord changes* - **Umbilical cord changes**, such as desiccation or mummification, indicate the passage of time after birth but do not differentiate between **live birth** and **stillbirth**. - These changes can occur even if the infant was stillborn, especially if there was an attempt to cut and tie the cord.

Q: Which of the following is the test done to determine if an infant was born alive?

Hydrostatic test. ***Hydrostatic test*** - The **hydrostatic test**, also known as the **lung flotation test**, is a traditional forensic method to determine if a fetus was born alive by assessing whether its lungs float in water. - If the lungs float, it suggests that the infant took a breath and inflated the lungs with air, indicating a **live birth** before death. If they sink, it implies the lungs were never inflated with air. *Radiological assessment* - **Radiological assessment** (e.g., X-rays) can provide information about fetal development and certain anomalies but cannot definitively confirm if a fetus was born alive after death. - While it can reveal air in the trachea or lungs in some cases, it is not as reliable or specific for establishing live birth as the hydrostatic test. *Fetal lung test* - A **fetal lung test** (e.g., amniocentesis for lecithin/sphingomyelin ratio, lamellar bodies) assesses **lung maturity** in utero to predict the risk of respiratory distress syndrome, not to confirm live birth post-mortem. - This test is performed before birth to guide obstetric management, not for forensic purposes after fetal death. *Forensic lung test* - The term "forensic lung test" is sometimes used broadly, but specifically, the **hydrostatic test** is the well-established forensic procedure for assessing live birth based on lung aeration. - This option is too general and does not refer to a specific, recognized diagnostic test with the same precision as the hydrostatic test.

Q: Which of the following tests is NOT used in the medico-legal investigation of suspected infanticide?

Widal test. ***Widal test*** - The **Widal test** is a serological test used to diagnose **typhoid fever** by detecting antibodies against *Salmonella typhi* antigens, not for infanticide. - It assesses the presence of **O and H agglutinins** in the patient's serum after exposure to the bacteria. *Ploucquet test* - The **Ploucquet test** assesses the **weight of the lungs** relative to the total body weight to determine if the infant has breathed. - In a stillborn infant, the ratio of lung weight to body weight is typically lower than in a liveborn infant who has breathed. *Fodere's test* - **Fodere's test**, also known as the **gastrointestinal air test**, examines the presence of air in the **gastrointestinal tract** of an infant. - The presence of air indicates that the infant has **breathed and swallowed**, suggesting live birth. *Hydrostatic test* - The **hydrostatic test** (or lung float test) involves placing the infant's lungs in water to determine if they **float or sink**. - **Floating lungs** indicate the presence of air, suggesting the infant took a breath, while **sinking lungs** suggest no respiration.

Question 1

A 2-week-old infant is brought to the hospital. Parents report a history of a single fall, but X-ray reveals multiple fractures at different stages of healing. What is the most likely diagnosis?

Accepted Answer

Battered baby syndrome

Answer

Accidental fall

Answer

Birth trauma

Answer

Osteogenesis imperfecta

Question 2

What is the Indian Penal Code (IPC) section related to infanticide?

Accepted Answer

315

Answer

312

Answer

318

Answer

302

Question 3

The test based on lung weight is useful in the diagnosis of live birth.

Accepted Answer

Static test

Answer

Wredin's test

Answer

Breslau's second life test

Answer

Hydrostatic test

Question 4

In a case of suspected infanticide, a post-mortem examination is performed, including Breslau's second life test. This test aims to detect changes in which of the following organs?

Accepted Answer

Stomach and intestines

Answer

Brain

Answer

Heart

Answer

Lung

Question 5

Killing of a 6 months old child by parents is known as -

Accepted Answer

Infanticide

Answer

Neonatal homicide

Answer

Genocide

Answer

Abortion

Question 6

A false negative hydrostatic test result is most likely caused by

Accepted Answer

Atelectasis

Answer

Emphysema

Answer

Putrefaction

Answer

Artificial respiration

Question 7

Concealment of birth is punishable under:

Accepted Answer

Sec. 318 IPC

Answer

Sec. 320 IPC

Answer

Sec. 317 IPC

Answer

Sec. 312 IPC

Question 8

Best criterion for determining live birth in suspected infanticide cases?

Accepted Answer

Hydrostatic test (lung float test)

Answer

Presence of milk or food in stomach

Answer

Evidence of external injuries

Answer

Examination of umbilical cord changes

Question 9

Which of the following is the test done to determine if an infant was born alive?

Accepted Answer

Hydrostatic test

Answer

Radiological assessment

Answer

Fetal lung test

Answer

Forensic lung test

Question 10

Which of the following tests is NOT used in the medico-legal investigation of suspected infanticide?

Accepted Answer

Widal test

Answer

Ploucquet test

Answer

Fodere's test

Answer

Hydrostatic test

Infanticide — MCQs

Infanticide — MCQs

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