the following two criteria were found to be significantly associated ( p less than .05 ) with the diagnosis of partial mole : 1 ) ratio of transverse to anteroposterior dimension of the gestational sac greater than 1.5 , and 2 ) cystic changes , irregularity , or increased echogenicity in the decidual reaction/placenta or myometrium .
C0334529
partial mole
C0032043
placenta