Hey You
OMG you poor thing - like you haven't had enough issues regarding pregnancy
I had Grade 4 during my pregnancy with Carmelo - mine was quite severe, though, completely covering & I was told it was extremely unlikely it wouldn't move.
I was also told with grade 4 that I would more than likely bleed throughout the pregnancy (and quite early on)... although I was lucky in the fact that I only had 2 bleeds (one at 32 weeks and one at 35 weeks).
My OB said I was the only patient he had that had had grade 4 and not bled by 28 weeks.
It was no drama really for me in terms of anything going wrong - I had the bleed at 32 weeks (you may remember my first hospital visit in the belly buddies thread?) and was hospitalised for a week, and then bedrest for a 2nd week... then I was allowed home but bled again 6 days later & then put in again for another week of bedrest before Carmelo was born via c section at 36 weeks.
I think it depends on your individual situation (Ie if they take bubs early etc) and I do remember the midwife saying that most cases of PP have a good chance of moving except for grade 4.
Curiously enough, though, after the first bleed I had at 32 weeks (it was a big bleed) - my placenta moved slightly... but nowhere near enough to be out of the way
My OB was very insistent on no sexy time AT ALL (even to the point of no orgasms for you) and no heavy lifting or exercise bar casual walking & pottering around the house.
He told me to make someone else carry the groceries in from the car - or if I had to do it, only one bag at a time
Feel free to ask me anything you need