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2. Timeline of human prenatal development - Wikipedia

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

   Gestational age: 3 weeks and 0 days until 3 weeks and 6 days old. 22–28 days from last menstruation. Embryonic age: Week nr 2. 1 week old. 8–14 days from fertilization. Trophoblast cells surrounding the embryonic cells proliferate and invade deeper into the uterine lining. They will eventually form the placenta and embryonic membranes.

3. Estimated date of delivery - Wikipedia

   en.wikipedia.org/wiki/Estimated_date_of_delivery

   A median of 288 days (274 days from the date of ovulation) for first-time mothers and 283 days (269 days from the date of ovulation) for mothers with at least one previous pregnancy was found by a 1990 study of 114 white, private-care patients with uncomplicated pregnancies and spontaneous labor. The authors suggest that excluding pregnancies ...

4. Countdown (game show) - Wikipedia

   en.wikipedia.org/wiki/Countdown_(game_show)

   Countdown is a British game show involving word and mathematical tasks that began airing in November 1982. It is broadcast on Channel 4 and is currently presented by Colin Murray, assisted by Rachel Riley with lexicographer Susie Dent. It was the first programme to be broadcast on Channel 4 and 90 series have been broadcast since its debut on 2 ...

5. Study shows how a woman's brain reorganizes during pregnancy

   www.aol.com/news/study-shows-womans-brain...

   Researchers said on Monday they have for the first time mapped the changes that unfold as a woman's brain reorganizes in response to pregnancy, based on scans carried out 26 times starting three ...

6. Calendar-based contraceptive methods - Wikipedia

   en.wikipedia.org/wiki/Calendar-based...

   Calendar-based methods are various methods of estimating a woman 's likelihood of fertility, based on a record of the length of previous menstrual cycles. Various methods are known as the Knaus–Ogino method and the rhythm method. The standard days method is also considered a calendar-based method, because when using it, a woman tracks the ...

7. These DIY Advent Calendars Will Make Your Christmas Countdown ...

   www.aol.com/diy-advent-calendars-holidays-even...

   Make one of these DIY advent calendars for Christmas this year! It's the best way to count down the days until Santa visits your house. ... As soon as December 1 hits, the unofficial countdown to ...