40weeks is the norm, however some babies come prematurly, others come later and need to have an induced labour
weeks and weeks
Two weeks.
Six weeks.
52 weeks
It is about 1 year and 3 weeks
the Marines call it boot camp. its 12 weeks long
Six weeks US Naval RTC(boot camp) is 8 weeks long.
21 days is 3 weeks.
17 days is 2.48 weeks.
14 days is 2 weeks.
There are 105 days in 15 weeks.
340 weeks is 6.52 years.