When a pig gives birth she is Farrowing.
A sow is a female pig and she gives birth to piglets (piglets are baby pigs) and a bore is a male pig.
when a guinea pig gives birth, it gives birth in peace, so your guinea pig will probably give birth while you're asleep. i don't know how painful it is for the guinea pig, but you probably won't see her in it
A female pig that has given birth is called a sow.
A pig giving birth is called farrowing. After the pig has given birth to her first litter of piglets, she is referred to as a sow.
When a dog gives birth, it is called whelping.
If it is the first time pig gives birth then you can expect 1 or 2 small piggies. Else, there would be 3 or 4 small piggies.
If you mean what is a female pig called it is a sow
When a doe gives birth it is called kindling.
A unaltered male pig is called a boar, an altered male pig is a barrow. A female pig that has not given birth is called a gilt and a female pig that has given birth is called a sow. Baby pigs are piglets collectively.