oppossum
it is 2 day
kangaroo
Human gestation is 280 days or total of 40 weeks. It starts on the first day after the menstrual period of a woman.
Red headed woodpeckers have a 12 -14 day gestation period. They then have a nesting period of 24-31 days.
They have a 90 day gestation period.
Average 147 day gestation period for a Sheep. Sheep gestation periods can generally be anywhere from 144-151 days.
The recent studies show that the longest pregnancy or gestation period is of 3.5 years...yeah quite amazing...According to the the Gunnies world records 2011 the longest pregnancy period is of a common FRILLED SHARK (chlamydoselachus anguineus) of 1279.25 or more daysScientific Classification:Kingdom:AnimaliaPhylum:ChordataClass:ChondrichthyesSubclass:ElasmobranchiiOrder:HexanchiformesFamily:ChlamydoselachidaeGenus:ChlamydoselachusSpecies:C. anguineus
Most often used in animal pregnancy. It's the length of time before an animal or human is born. A sentence might say "190 day gestation."
The stages of gestation are divided into three periods, all around 3 months and 5 days each:First Trimester - Day 0 to Day 94Second Trimester - Day 95 to day 189Third Trimester - Day 190 to day 285
Based on a normal gestation period of 40 weeks the conception date was August 20th.
Chimps have an 8 month (240 day) gestation period.
Answer:The gestation period of a human, from time of conception to birth is approximately 9 months (266 days/38 Weeks). 9.5 months is calculated from the first day of the last menstrual period (280 days/40 Weeks).