Many mammals carry baby for 9 months . Human beings are best and well known example having 9 month pregnancy period .
Humans, cows and probably others
only us humans
humans?
Monkey
us
Spiders have an incubation period of 9-27 days.
Gestation refers to the period of pregnancy. ie - A human gestation period would be 9 months.
Oxytocin is produced by the pituitary gland and is responsible for starting contractions at the end on the 9 month gestation period.
The gestation period is 9 weeks, give or take a couple days.
As with any breed, the average gestation period is 9 weeks.
The ringed seal has a gestation period of 9 to 11 months Reference: http://animals.nationalgeographic.com/animals/mammals/ringed-seal/
9 months
9 months
the 9-month gestation period is really not reliable at all so you can't go by that.
Humans have an average gestation period (time of pregnancy) of 280 days.
The average time that a pronghorn is in gestation is 9 months The average time that a pronghorn is in gestation is 9 months7 months
The gestation period of a baboon is likely to be 6 to 7 months