You call the baby whatever its parents named it.
An infant.
4 months
In the first two months, the baby is called an "embryo". But from that period on to the birth, the baby is called a "fetus."
Doctors can test a baby for hearing about one to two months old. The doctor can use clapping hands or other noises to see if the baby responds to noise.
Baby platypuses do not have to survive on their own. They suckle from their mother for at least four months, and tend to stay with her until they are around eighteen months to two years old.
osita is a baby bear who lives in Miami Florida and she is two months old she hasa cute smile she is about seven inches
two months after you get married your character or your wife will feel ill and it turns out you or she is pregnant and two months after that she will have a baby
Around 18 pounds
After about two months, a baby is typically referred to as an "infant." This term generally applies to children from birth up to one year of age. During this stage, infants continue to develop rapidly, gaining weight and beginning to engage more with their surroundings.
By the time baby platypuses are two years old they are fully mature.
Female raccoons are sexually mature when a year old and males at two years.
22 months. Two months short of two years.