i think,9 months.
Approximately nine months, just like humans!
Approximately 8.5 monthes .
A baby tiger takes about 3 to 3 and 1/2 months to develop.
A baby will take about nine months to develop inside a woman.
about 650 days
It depends on the creature in question.
22 months.
36 -40 weeks
Humans need about 9 months to develop before being born
A pregnancy is 9 months for humans.
A cow's gestation period is about nine months (279 days long).
The gestation period of mice is around 20 days.