This depends a great deal upon the state of medical knowledge and technology at a particular time and place. One hundred years ago, a child born at 30 weeks might have little chance of surviving. Today, 24 weeks is routinely quoted as the "age of viability".
www.pregnantpause.org/numbers/mvhlive.htm
Fetus - Wikipedia, the free encyclopedia
A fetus (also spelled foetus or fœtus ) is a developing mammal or other viviparous vertebrate after the embryonic stage and before birth. The plural is fetuses . In humans, the fet...
en.wikipedia.org/wiki/Fetus
Pregnancy - Wikipedia, the free encyclopedia
Pregnancy (latin "graviditas") is the carrying of one or more offspring, known as a fetus or embryo, inside the uterus of a female. In a pregnancy, there can be multiple gestations, as in the case of...
en.wikipedia.org/wiki/Pregnancy
In the United Kingdom, this definition led to the lowering of the age of viability from 28 weeks to 24 weeks in 1990. A recent article in the medical journal Nature, indicated that an artificial womb might lower the age of viability.
www.godandscience.org/abortion/sld044.html
Fetal viability scan ; 6-10 weeks ... Although most babies are normal, all women - whatever their age - have a small chance of delivering a baby with a physical and/or mental handicap. Ultrasound scans can help pick up some of these problems antenatally.
www.diagnosticultrasound.org.uk/fetal_viability.htm www.diagnosticultrasound.org.uk/fetal_viability.htm
Viability means the capacity of a fetus to survive outside the woman’s womb. Many people feel that viability is a morally significant point in pregnancy. ... However, the physiology of the developing fetus means that it is unlikely that the lower age limit for survival will fall much further...
www.efc.org.uk/foryoungpeople/factsaboutabortion/viabil... www.efc.org.uk/foryoungpeople/factsaboutabortion/viability
Neonatologists, or doctors specializing in the care of newborns, can introduce a drug form of surfactant to the lungs of premature babies, stretching viability, or the age at which survival outside the womb becomes possible, ... Movie 16.2 - Age of Viability ... Play Movie - 5 months 2 weeks fetus, Age of Viability...
www.ehd.org/dev_article_unit16.php
Antenatal Counseling Regarding Resuscitation at an Extremely Low Gestational Age Daniel G. Batton Committee on Fetus and Newborn; ... Perinatal Care at the Threshold of Viability American Academy of Pediatrics, Committee on Fetus and Newborn, American College of Obstetricians and Gynecologists, and Committee on...
aappolicy.aappublications.org/cgi/content/full/pediatri... aappolicy.aappublications.org/cgi/content/full/pediatrics;110/5/1024
In 1973, Roe v. Wade legalized abortion before fetus viability, and left it to the states to determine laws for abortion after that time. The court case allowed women access to legal abortions in an age without the technology and prophylactics that we have today.
tech.mit.edu/V121/N4/col04veena.4c.html
(HB 1690) that would establish fetal viability at 20 weeks gestation, the Indianapolis Star reports. The bill states that a fetus at 20 weeks gestation requires "no additional ... If the measure is signed into law, it would be the first law nationwide to establish fetal viability based on a fetus's gestational age.
www.medicalnewstoday.com/articles/20211.php