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  2. Beginning of pregnancy controversy - Wikipedia

    en.wikipedia.org/wiki/Beginning_of_pregnancy...

    Day 26 Day 12 [3] [4] Day 6 (or Day 0) Embryo stage begins; first missed period: 4 weeks Day 15 [3] Day 9 Primitive heart function can be detected: 5 weeks, 5 days [3] Day 26 [3] Day 20 Fetal stage begins 10 weeks, 1 day [3] 8 weeks, 1 day [3] 7 weeks, 2 days First trimester ends 13 weeks 11 weeks 10 weeks Second trimester ends 26 weeks 24 ...

  3. Liminality - Wikipedia

    en.wikipedia.org/wiki/Liminality

    New Year's Day, whatever its connection or lack of one to the astrological sky, is a liminal time. Customs such as fortune-telling take advantage of this liminal state. In a number of cultures, actions and events on the first day of the year can determine the year, leading to such beliefs as first-foot.

  4. Human reproduction - Wikipedia

    en.wikipedia.org/wiki/Human_reproduction

    Chance of fertilization by menstrual cycle day relative to ovulation [15] Pregnancy rates for sexual intercourse are highest during the menstrual cycle time from some 5 days before until 1 to 2 days after ovulation. [16] For optimal pregnancy chance, there are recommendations of sexual intercourse every 1 or 2 days, [17] or every 2 or 3 days. [18]

  5. I kept my first marriage a secret from my kids. I wish I hadn't

    www.aol.com/lifestyle/kept-first-marriage-secret...

    I never set out to keep my first marriage a secret; it just happened. The truth is it was a period of my life I wanted to forget. I was in my early 20s when I met him, and our relationship was ...

  6. Human fertilization - Wikipedia

    en.wikipedia.org/wiki/Human_fertilization

    Fertilization though usually occurs within a day of ovulation, which, in turn, occurs on average 14.6 days after the beginning of the preceding menstruation (LMP). [31] There is also considerable variability in this interval, with a 95% prediction interval of the ovulation of 9 to 20 days after menstruation even for an average woman who has a ...

  7. Signs and symptoms of pregnancy - Wikipedia

    en.wikipedia.org/wiki/Signs_and_symptoms_of...

    Signs and symptoms of pregnancy are common, benign conditions that result from the changes to the body that occur during pregnancy. Signs and symptoms of pregnancy typically change as pregnancy progresses, although several symptoms may be present throughout. Depending on severity, common symptoms in pregnancy can develop into complications ...

  8. Timeline of human prenatal development - Wikipedia

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

    The blastocyst is fully implanted day 7–12 of fertilization. [1] Formation of the yolk sac. The embryonic cells flatten into a disk, two cells thick. If separation into identical twins occurs, 2/3 of the time it will happen between days 5 and 9. If it happens after day 9, there is a significant risk of the twins being conjoined.

  9. A Child Is Born (book) - Wikipedia

    en.wikipedia.org/wiki/A_Child_Is_Born_(book)

    A Child Is Born (full title: A Child Is Born: The drama of life before birth in unprecedented photographs. A practical guide for the expectant mother ; original Swedish title: Ett barn blir till ) is a 1965 photographic book by Swedish photojournalist Lennart Nilsson .