Baby rabbits birthing can be problematic for the female rabbit.

My favorite book on rabbit care:
“The Everything Pet Rabbit Handbook: Your Ultimate Guide to Pet Rabbit Ownership, Training, and Care”

Consider rabbit weight and age: Newborn bunnies can be deadly if the doe faces a stuck kitten.

Looking for help with rabbit birthing problems?
This article gives advise on how to safe the mother:

“Stuck or Retained Kits in Doe — Rabbit Birthing Problems Help
by Laurie Stroupe

So far, I haven’t had every variation of stuck and retained kits (knock on wood), but I’ve had some experiences in this area. I don’t have all of the answers, but maybe I have one that will help you in the future.

baby rabbitsI’ve had several stuck babies. In all cases thus far, I have been able to help the doe deliver the kit. And in all cases, any further babies have been born dead. But the good news is that none of the does who had a stuck kit had ever had one before or since. So having a stuck kit isn’t necessarily the kiss of death for that doe as a producer…”

Relaxing Piano Music – Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0