Hi my name is Fran, im currently preg. with my 6th child, im 31 weeks and 5 days prego..i was diagnosed with polyhydramnios at 28 weeks..i go for nst testing weekly..i went for my nst testing a few days ago, and i noticed that they changed my placental grade to 2..i have no idea what this means, and i am worried...this has been a very rough preg. does anybody know anything about this..please help