[alpacassei]

Are you sure she didn’t give birth a few days earlier, before you seperated her and her mate? I don’t think it’s possible one of the male pups got her pregnant since it would’ve been a newborn at the time.

In humans there’s rare genetic disorders that cause double pregnancies like this, where a woman either has two uteruses or her body continues producing more eggs during pregnancy, maybe something similar can happen with hamsters? Are you breeding pure winter whites or hybrid Russian dwarfs (if they’re originally pet shop hammies they’re hybrids)? Hybrids can have a lot of genetic disorders and complications.