If they are alive(they move a little if you poke them), then LEAVE them alone. Do NOT pull them out of the eggs.
Viable babies will crawl out. It's very very rare that a snake will get tangled in a umbilical, so I would leave them alone.
Theresa Baker
No Legs and More
Florida, USA
"Stop being a wimpy monkey,; bare some teeth, steal some food and fling poo with the alphas. "