you cant make your guinea pigs mate, however if you leave them alone for long periods of time together they are more likely to. they may have already if they have spent time together and it could be early in the pregnancy when signs aren't as noticeable.
well guinea pigs will mate and make themselves but its really just called nature
well just like any other guinea pigs they can be and are allowed to mate
no
Yes, guinea pigs must mate to produce offspring.
Sometimes rabbits will try and mate with guinea pigs no matter what sex they are. However the rabbit cannot impregnate the guinea pig because it is a different species.
Yes, they will if allowed to.
Just as much as humans.
no they do not make guinea pigs fat !
No, they need to mate to have babies.
It's unheard of.
Nothing. But she wont mate while she is pregnant. Guinea pigs dont mate unless they are on heat.
Yes. But if they do the newborn will probally have problems.