twenty eight days
40 weeks from the last period.
The gestation period of the lion is about 110 days.
It usually last 5-6 months
You work out how long it is since the FIRST day of you last period.
The gestation period normally lasts 11-12 months.
It is possible to have your period 3 times during your pregnancy. Just because you have your period doesnt mean you are not pregnant.
The gestation period for all 3 extant species of hyena is 110 days.
Estimated due dates and pregnancy time lines are calculated from the very first day of your last menstrual period.
Most people have a last period before they are pregnant. Some even have a period while they are pregnant.
A monkey's pregnancy period lasts between 164 - 187 days.
it should start in about 35 days, if not a pregnancy test should be administered.