3 years
All whales give birth in nearly nine to ten months.
a long time
Gestation periods for whales are usually between 10-14 months. Blue whales mate in autumn and have a 10-12 month pregnancy.
An average of 42 days is the time is takes for a ferret to give birth.
i think it will take about two weeks
100 Years
It takes 12 months for a dolphin to give birth to another dolphin (calf).
it takes one hour
like a year
About 30 days
about 72 hours