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  2. Academic year - Wikipedia

    en.wikipedia.org/wiki/Academic_year

    In the northern hemisphere, the longest break in the educational calendar is in the middle of the year, during the northern summer, and lasting up to 14 weeks. [6] In Ireland, Italy, Latvia, Lithuania, and Russia, summer holidays typically last three months, compared to six to eight weeks in Britain, the Netherlands, and Germany.

  3. Gestational age - Wikipedia

    en.wikipedia.org/wiki/Gestational_age

    For example, if there is a gestational age based on the beginning of the last menstrual period of 9.0 weeks, and a first-trimester obstetric ultrasonography gives an estimated gestational age of 10.0 weeks (with a 2 SD variability of ±8% of the estimate, thereby giving a variability of ±0.8 weeks), the difference of 1.0 weeks between the ...

  4. List of conflicts by duration - Wikipedia

    en.wikipedia.org/wiki/List_of_conflicts_by_duration

    10 years, 7 months, 2 weeks and 5 days Yugoslav Wars: 31 March 1991: 12 November 2001: 10 years, 7 months, 1 week and 5 days Yemeni Civil War: 16 September 2014: Ongoing: 10 years, 2 months, 3 weeks and 5 days Algerian Civil War: 26 December 1991: 8 February 2002: 10 years, 1 month, 1 week and 6 days Somaliland War of Independence: 6 April 1981

  5. List of mammalian gestation durations - Wikipedia

    en.wikipedia.org/wiki/List_of_mammalian...

    There is a positive relationship between mass at birth and length of gestation in eutherian mammals. [17] Larger mammals are more likely to produce a well-developed neonate than small mammals.

  6. Month - Wikipedia

    en.wikipedia.org/wiki/Month

    A month is a unit of time, used with calendars, that is approximately as long as a natural phase cycle of the Moon; the words month and Moon are cognates.The traditional concept of months arose with the cycle of Moon phases; such lunar months ("lunations") are synodic months and last approximately 29.53 days, making for roughly 12.37 such months in one Earth year.

  7. Fetal viability - Wikipedia

    en.wikipedia.org/wiki/Fetal_viability

    A baby's chances for survival increases 3 to 4 percentage points per day between 23 and 24 weeks of gestation, and about 2 to 3 percentage points per day between 24 and 26 weeks of gestation. After 26 weeks the rate of survival increases at a much slower rate because survival is high already. [16]

  8. How Many Days a Week Should You Focus on Your Obliques To ...

    www.aol.com/many-days-week-focus-obliques...

    How Many Days a Week Should You Focus on Your Obliques To Sculpt Your Waist? Alexa Mellardo. December 1, 2024 at 4:00 AM. Photo: Shutterstock. Design: Eat This, Not That!

  9. ISO week date - Wikipedia

    en.wikipedia.org/wiki/ISO_week_date

    27 week years are 5 days longer than the month years (371 − 366), 6.75%. 44 week years are 6 days longer than the month years (371 − 365), 11%. 70 week years are 2 days shorter than the month years (364 − 366), 17.5%. 259 week years are 1 day shorter than the month years (364 − 365), 64.75%. The table shows the long years in a 400-year ...