heyya

Question
hello my friend just got 2 baby female guinea - pigs and one of the guinea - pigs stomach quite big well its gettting big is there a possiblity that she pregnant as she could of mated with her brothers as she got them from her friend what shall i do ?

Answer
Hi Kimmy

It is certainly possible as males can be sexually mature from 3 weeks of age.

There isnt a great deal you can do other than see how things develop. It isnt ideal for a baby to become pregnant but there still is a chance everything will go smoothly. You could see a vet if you want further reassurance.

Andy