i bought 2 guinea pig sisters but now i came to know that one of them is male. and i know that they multiply very easily, but i dont know if my sow is pregnant or not. But if she is then how will i come to know, and what should i do when she is giving birth, i mean should i take the male guinea out of the cage when she is giving birth. And what if she gave birth at night when everyony in our house is sleeping, and no one's around.