Primary amenorrhea with absent uterus, normal breasts and scanty pubic hair is seen in:
**Core Concept**
Primary amenorrhea is a condition where a female has not experienced menarche by the age of 16 years. It can be caused by various factors, including gonadal dysgenesis, Mayer-Rokitansky-Küster-Hauser (MRKH) syndrome, and androgen insensitivity syndrome. The presence of normal breasts and scanty pubic hair in a patient with primary amenorrhea suggests that the patient has undergone some degree of pubertal development.
**Why the Correct Answer is Right**
In MRKH syndrome, the patient has a normal 46,XX karyotype and normal secondary sexual characteristics, including breast development, but lacks a functional uterus and upper vagina. This is due to a failure of the Müllerian ducts to develop during embryogenesis. The presence of scanty pubic hair may be due to a mild deficiency of androgens or the absence of a functional uterus, which normally stimulates the growth of pubic hair.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is not provided.
**Option B:** This option is not provided.
**Option C:** This option is not provided.
**Option D:** This option is not provided.
**Clinical Pearl / High-Yield Fact**
MRKH syndrome is a distinct clinical entity from androgen insensitivity syndrome, which is characterized by the presence of a blind-ending vagina and normal breast development.
**Correct Answer: D. MRKH Syndrome**