Characteristic features of Rokitanski-Kuster Hauser syndrome are all of the following except:
**Core Concept**
Rokitanski-Kuster-Hauser (RKH) syndrome, also known as Mayer-Rokitansky-Kuster-Hauser syndrome, is a rare congenital disorder characterized by the underdevelopment or absence of the vagina and uterus, with normal ovarian function. This condition is often associated with other anomalies, including renal and skeletal malformations.
**Why the Correct Answer is Right**
RKH syndrome is a result of abnormal embryonic development, specifically the failure of the Müllerian ducts to develop into the female reproductive organs. The Müllerian ducts give rise to the fallopian tubes, uterus, cervix, and upper part of the vagina. In RKH syndrome, the absence or underdevelopment of these structures leads to the characteristic features of the condition. The ovaries, which develop from a different embryonic structure, are usually present and functioning normally.
**Why Each Wrong Option is Incorrect**
* **Option A:** This option is incorrect because it is not a characteristic feature of RKH syndrome. The syndrome is primarily associated with the absence or underdevelopment of the uterus and upper vagina, not the cervix.
* **Option B:** This option is incorrect because it is a common feature of RKH syndrome. Many women with the condition have a rudimentary or absent uterus, which can lead to infertility and other reproductive problems.
* **Option C:** This option is incorrect because it is not a characteristic feature of RKH syndrome. While some women with the condition may have renal anomalies, it is not a universal feature of the condition.
**Clinical Pearl / High-Yield Fact**
RKH syndrome is often associated with other congenital anomalies, including renal malformations and skeletal abnormalities. A high index of suspicion is necessary for diagnosis, as symptoms may be subtle or absent in some cases.
**Correct Answer: A. This option is incorrect because it is not a characteristic feature of RKH syndrome.**