Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Mayer-Rokitansky-Kster-Hauser syndrome ?
    ### Response:
    Mayer-Rokitansky-Kster-Hauser (MRKH) syndrome is a disorder that occurs in females and mainly affects the reproductive system. This condition causes the vagina and uterus to be underdeveloped or absent. Affected women usually do not have menstrual periods due to the absent uterus.
    