**Core Concept**
Pseudopubey refers to the premature appearance of secondary sexual characteristics in children, often due to hormonal imbalances or other endocrine disorders. This condition can mimic the physical changes of puberty, but without the normal progression of pubertal events.

**Why the Correct Answer is Right**
Pseudopubey can be caused by various factors, including congenital adrenal hyperplasia (CAH), McCune-Albright syndrome, and other conditions that lead to an excess of sex hormones. In CAH, for instance, the enzyme 21-hydroxylase deficiency disrupts the normal production of cortisol and aldosterone, resulting in an overproduction of androgens, which can cause pseudopubey.

**Why Each Wrong Option is Incorrect**
**Option A:** Congenital adrenal hyperplasia (CAH) is actually an example of pseudopubey due to the excess production of androgens.
**Option B:** McCune-Albright syndrome is another condition that can lead to pseudopubey, characterized by the presence of café-au-lait spots, polyostotic fibrous dysplasia, and precocious puberty.
**Option C:** Turner syndrome is not typically associated with pseudopubey, as these individuals usually experience delayed or absent puberty.

**Clinical Pearl / High-Yield Fact**
It's essential to note that pseudopubey can be a sign of an underlying endocrine disorder, so any child with premature pubertal changes should be evaluated for potential hormonal imbalances.

**Correct Answer: C. Turner syndrome is not typically associated with pseudopubey, as these individuals usually experience delayed or absent puberty.**