<prompt> Most likely feature in Mayer-Rokitansky-Kuster-Hauser syndrome along with primary amenorrhea is:Ovary agenesisAbsent secondary sexual characteristicsVaginal atresiaBicornuate uterus  <response>: Mayer Rokitansky-Kuster-Hauser syndrome Mullerian agenesis Congenital hypoplasia or absence of the VaginaCharacteristic feature in combination with abnormal or absent uterus, Second most common cause of Primary Amenorrhea, Karyotype- 46XX, Gonad- Ovary: normal and functional: responsible for normal external feminisation Mullerian structures dont develop. Primary amenorrhoea Paial or complete absence of vagina Wide array of uterine abnormalities Skeletalrenal and other associated abnormalities, A normal female appearance and secondary sexual characteristics 