There, Dr. Carson tells her immediately that her ailments are non-life-threatening, and some of the placenta had gotten detached from the uterine wall, which doesn’t need more of a cure than “get in bed, ya big silly.”
So that side of things has been settled, for now, and we shouldn’t have to worry about the lil one having a bad night.
Now, the chances of Maggie actually dying weren’t ever all that high (even though actress Lauren Cohen was the subject of that super-creepy “fake death” video that got leaked from the premiere’s filming).
But it was possible she could lose the baby, giving her a tragedy sandwich to deal with, but she and Sasha made a trek to the Hilltop Colony following the events of the premiere.