**Core Concept**
Male pseudohermaphroditism refers to a condition where an individual is genetically male (XY chromosomes) but has external genitalia that are either ambiguous or more typical of females. This condition is often related to disorders of **sex hormone** synthesis or action.

**Why the Correct Answer is Right**
The correct answer is related to conditions that affect **androgen** production or function, such as **5-alpha-reductase deficiency** or **androgen insensitivity syndrome**. In these conditions, the external genitalia do not fully masculinize due to the lack of effective androgen action, leading to a phenotype that may appear more female or ambiguous at birth.

**Why Each Wrong Option is Incorrect**
**Option A:** Incorrect because it is not directly related to the specific condition of male pseudohermaphroditism.
**Option B:** Incorrect as it does not accurately describe the condition.
**Option C:** Incorrect because it is more commonly associated with female pseudohermaphroditism.
**Option D:** Incorrect as it is not the most accurate description of male pseudohermaphroditism.

**Clinical Pearl / High-Yield Fact**
A key point to remember is that male pseudohermaphroditism often involves disorders of **androgen** synthesis or resistance, which can lead to significant ambiguity in external genitalia at birth, requiring thorough investigation and management.

**Correct Answer:** D. Androgen insensitivity syndrome