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Quickening
Additional recommended knowledgeMedical factsThe first natural sensation of quickening may feel like a light tapping, or the fluttering of a butterfly. These sensations eventually become stronger and more regular as the pregnancy progresses. Sometimes, the first movements are misattributed to gas or hunger pangs.[2] A woman’s uterine muscles, rather than her abdominal muscles, are first to sense fetal motion. Therefore, a woman’s body weight usually does not have a substantial effect on when movements are initially perceived. Women who have already given birth have more relaxed uterine muscles that are consequently more sensitive to fetal motion, and for them fetal motion can sometimes be felt as early as 14 weeks.[3] Usually, quickening occurs naturally at about the middle of a pregnancy. A woman pregnant for the first time (i.e. a primiparous woman) typically feels fetal movements at about 20-21 weeks, whereas a woman who has already given birth at least two times (i.e. a multiparous woman) will typically feel movements around 18 weeks.[4] Legal historyHistorically, quickening has sometimes been considered to be the beginning of the possession of "individual life" by the fetus. British legal scholar William Blackstone explained the subject of quickening in the eighteenth century, relative to feticide and abortion:
Nevertheless, quickening was only one of several standards that were used historically to determine when the right to life attaches to a fetus. According to the "ancient law" mentioned by Blackstone, another standard was formation of the fetus, which occurs weeks before quickening. Henry Bracton explained the ancient law, about five hundred years before Blackstone:
The rule that a fetus was considered alive upon formation dates back at least another millennium. In the Septuagint text of the Old Testament, formation of the fetus was emphasized instead of quickening, according to the Book of Exodus:
Thus, in the earliest history of Judeo-Christian tradition, the highest value for life was thought to accrue when the fetus is formed. Later in history, the moment of quickening became the predominant standard for a right to life. Ultimately, the moment of fetal viability became more significant, although the moment of conception has also been used as a standard for when the right to life legally attaches to a human being.
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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Quickening". A list of authors is available in Wikipedia. |