<prompt> Most common presentation in twin gestation is -Both vertexFirst vertex, second breechFirst breech, second vertexBoth breech  <response>: Ans. is a i.e., Both vertex Lie and Presentation in Twin Gestationo The commonest lie of the fetuses is longitudinal 90 but malpresentations are quite commono The combination of presentation of the fetuses are - in order of occurrencei Both vertex - most commonii First vertex and second breechiii First breech and second vertexiv Both breechv First vertex and second transversevi Both transverse, when the possibility of conjoined twins should be ruled out. 