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  2. Beginning of pregnancy controversy - Wikipedia

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

    The viewpoint that pregnancy, or at least morally significant human life, begins at the exact moment that sperm and egg interact is highly controversial, although it is commonly held by groups such as the Roman Catholic Church and many traditionally religious individuals, and other alternate viewpoints are put forth.

  3. 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]

  4. Beginning of human personhood - Wikipedia

    en.wikipedia.org/wiki/Beginning_of_human_personhood

    Quickening is the moment the pregnant woman starts to feel the fetus's movement in the uterus. [40] The word quick originally meant alive, [ 41 ] and quicken means to grant life. [ 42 ] Women who have previously given birth have more-relaxed uterine muscles that are more sensitive to fetal motion during subsequent pregnancies.

  5. Human fertilization - Wikipedia

    en.wikipedia.org/wiki/Human_fertilization

    Fertilization was not understood in antiquity. Hippocrates believed that the embryo was the product of male semen and a female factor. But Aristotle held that only male semen gave rise to an embryo, while the female only provided a place for the embryo to develop, [5] a concept he acquired from the preformationist Pythagoras.

  6. Pregnancy - Wikipedia

    en.wikipedia.org/wiki/Pregnancy

    Pregnancy usually occurs by sexual intercourse, but can also occur through assisted reproductive technology procedures. [6] A pregnancy may end in a live birth, a miscarriage, an induced abortion, or a stillbirth. Childbirth typically occurs around 40 weeks from the start of the last menstrual period (LMP), a span known as the gestational age.

  7. Column: Warren Hern is one of the country's few late-term ...

    www.aol.com/news/column-warren-hern-one-countrys...

    Warren Hern is every bit as intense as you would expect of someone who has been threatened with death for most of his career. One of the few American physicians who performs late-term abortions ...

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  9. Human embryonic development - Wikipedia

    en.wikipedia.org/wiki/Human_embryonic_development

    Nine-week-old human embryo from an ectopic pregnancy. Organogenesis is the development of the organs that begins during the third to eighth week, and continues until birth. Sometimes full development, as in the lungs, continues after birth. Different organs take part in the development of the many organ systems of the body.