Gestation in Sperm Whale females lasts about 14 to 16 months. A sigle calf is produced at the end of gestation. Lactation proceeds for 19 to 42 months, but calves may suckle up to 13 years. Calves can suckle from females other than their mothers. Females generally have birth intervals of three to six years between calf birth.
according to scientists its 10-18 months
In general, larger mammals have longer gestation periods. The African Bush Elephant has the longest gestation period at 22 months. Placental mammals have longer gestation periods than marsupials. Some small marsupials have gestation periods of less than two weeks.
Raccoons have a gestation period of 63-65 days.
Gestation ranges from 97 - 181 days, with an average of about 135 days.
Influenza has a gestation period of 1-4 days with an average of 2 days.
The gestation period of a lioness is about 110 days.
Several species of whale have gestation periods of around 18 months.
The Okapis gestation period is about 458 days on average
Horses have a gestation period of 340 days.
The gestation period of a raccoon is 63 days.
Lions have a gestation period of 110 days.
Horses have a gestation period of 340 days.
a skunks gestation period is 62-66 days