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  2. Academic term - Wikipedia

    en.wikipedia.org/wiki/Academic_term

    Summer is usually counted as a term break, although the beginning of June is still part of the third trimester. Universities start on the first Monday of September and usually end in the middle of May or in the beginning of June; though in reality, exam periods may continue until the end of June (e.g. University of Tartu). [14]

  3. Prenatal development - Wikipedia

    en.wikipedia.org/wiki/Prenatal_development

    The first ten weeks of gestational age is the period of embryogenesis and together with the first three weeks of prenatal development make up the first trimester of pregnancy. From the 10th week of gestation (8th week of development), the developing embryo is called a fetus.

  4. Gestation - Wikipedia

    en.wikipedia.org/wiki/Gestation

    The first trimester is from the last menstrual period through the 13th week, the second trimester is 14th–28/29th week, and the third trimester is 29/30th–42nd week. [6] Birth normally occurs at a gestational age of about 40 weeks, though it is common for births to occur from 37 to 42 weeks. [ 6 ]

  5. Pregnancy - Wikipedia

    en.wikipedia.org/wiki/Pregnancy

    The first trimester begins with the start of gestational age as described above, that is, the beginning of week 1, or 0 weeks + 0 days of gestational age (GA). It ends at week 12 (11 weeks + 6 days of GA) [ 4 ] or end of week 14 (13 weeks + 6 days of GA).

  6. Academic year - Wikipedia

    en.wikipedia.org/wiki/Academic_year

    For English state schools, the year commences the first week of September with a half-term break (one week) at the end of October, and the first term ending the third week of December. After a two-week holiday, encompassing Christmas and New Year, the second term runs from early January to Easter and is of variable length to allow for the ...

  7. Timeline of human prenatal development - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_human_prenatal...

    The blastocyst contains only a thin rim of trophoblast cells and a clump of cells at one end known as the "embryonic pole" which include embryonic stem cells. The embryo hatches from its protein shell (zona pellucida) and performs implantation onto the endometrial lining of the mother's uterus. (day 5–6 of fertilization. [1])

  8. Mom Finds Out Baby She's Carrying Has Fatal Diagnosis ... - AOL

    www.aol.com/mom-heartbreakingly-describes...

    "Most babies with this condition end in a miscarriage before the second trimester," she says. "Those who survive the first trimester, do not live past 24 weeks gestation." But at 34 weeks pregnant ...

  9. Academic quarter (year division) - Wikipedia

    en.wikipedia.org/wiki/Academic_quarter_(year...

    This quarter system was adopted by the oldest universities in the English-speaking world (Oxford, founded circa 1096, [1] and Cambridge, founded circa 1209 [2]). Over time, Cambridge dropped Trinity Term and renamed Hilary Term to Lent Term, and Oxford also dropped the original Trinity Term and renamed Easter Term as Trinity Term, thus establishing the three-term academic "quarter" year widely ...

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