Maybe TMI but sooo worried!

So basically when I went into labor with my first i had gone 2 days without pooping. Then 28hrs in labor and ended with a csection. Went 2 more days before i needed an enema because i was in SO MUCH pain from being so backed up for 5days.

Now i have a scheduled csection in 2 days and im having issues pooping again. I REALLY wanna make sure i go the night before my csection so i dont have the same issues as last time.... Any pooping advice?? I aint eating prunes lol TIA