I'm pretty sure she has somthing on board Cassie, unless she swallowed a balloon while you weren't looking.
Try not to worry and stress, there is nothing you can do to change how things will be. She will foal when they are both ready. And she is likely to be fine when she does so, most births are trouble free.
If it is at all helpful here is Miss Twinkles final days. She foaled in October still with a coat on her so it might help your comparisons
At day 344, the day before she foaled:
Day 345, wax in the morning. She foaled at 2am that night:
Day 345, her belly:
The result, about 6hrs old here:
:wub
Try not to worry and stress, there is nothing you can do to change how things will be. She will foal when they are both ready. And she is likely to be fine when she does so, most births are trouble free.
If it is at all helpful here is Miss Twinkles final days. She foaled in October still with a coat on her so it might help your comparisons
At day 344, the day before she foaled:
Day 345, wax in the morning. She foaled at 2am that night:
Day 345, her belly:
The result, about 6hrs old here: