Monkeys, like humans, usually have only one baby at a time. On rarer occasions they can give birth to twins or more - again, just like humans. Over their life time, monkeys will have several offspring.
Infants or babies
no.
6 babies at once.
I have no idea becaus e i have never heard of monkey madness.
poo
2 at a time.
Put a human with a monkey then they have babies, tada!
Usually one.
One or two. Marmosets and tamarins have one to three.
if a they aren't born alive then why aren't they extinct.
Usually about four or five at a time, it depends what time of year and how old the monkey is.
A Vervet monkey typically only has one baby at a time. However, on some rare occasions, twins can occur.