**Core Concept**
Criminal abortion delayed cause of death refers to the fatal consequences of self-induced or clandestine abortion, often performed under unsterile conditions. This condition highlights the importance of proper obstetric care and the risks associated with unsafe medical practices.

**Why the Correct Answer is Right**
The delayed cause of death in criminal abortion is typically due to sepsis, a severe infection resulting from the introduction of bacteria into the uterus during the procedure. This is often caused by the use of contaminated instruments or unsterile techniques. The infection can lead to septicemia, a systemic infection that can cause organ failure and death if left untreated. In addition, the physical trauma caused by the abortion can lead to complications such as hemorrhage, uterine perforation, and damage to surrounding organs.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it does not specify the underlying cause of death. While it may be a possible outcome, it is too vague to be a correct answer.

**Option B:** This option is incorrect because it does not accurately describe the primary cause of death in criminal abortion. While infection is a possible complication, it is not the only cause of death.

**Option C:** This option is incorrect because it is too broad and does not specifically address the delayed cause of death in criminal abortion.

**Clinical Pearl / High-Yield Fact**
In cases of suspected criminal abortion, it is essential to investigate the patient's medical history and perform a thorough physical examination to identify any signs of infection or trauma. A high index of suspicion is necessary to diagnose and treat these complications promptly.

**Correct Answer:** D.