What is the general duration of a porpoise gestation period?

Answer

Around 10 to 11 months

Reproduction in porpoises is slow; females typically give birth to a single calf after a gestation period that lasts around 10 to 11 months, depending on the species.

What is the general duration of a porpoise gestation period?
animalmammalcharacteristiccetaceanporpoise