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[[File:lighterstill.jpg]][[File:Miscarriage.jpg|right|frame]]
*Date: circa [http://www.wikipedia.org/wiki/17th_Century 1652]
==Definitions==
*1 : corrupt or incompetent [[management]]; especially : a failure in the [[administration]] of [[justice]]
*2 : [[spontaneous]] expulsion of a [[human]] [[fetus]] before it is viable and especially between the 12th and 28th weeks of gestation
==Description==
'''Miscarriage''' or [[spontaneous]] [[abortion]] is the spontaneous end of a pregnancy at a [[stage]] where the [[embryo]] or fetus is incapable of [[surviving]], generally defined in [[humans]] at prior to 20 weeks of gestation. Miscarriage is the most common complication of early pregnancy.
Very early miscarriages—those that occur before the sixth week LMP (since the [[woman]]'s Last Menstrual Period)—are medically termed early pregnancy loss or [[chemical]] pregnancy. Miscarriages that occur after the sixth week LMP are medically termed clinical [[spontaneous]] [[abortion]].
In medical [[contexts]], the [[word]] "[[abortion]]" refers to any [[process]] by which a pregnancy ends with the [[death]] and removal or expulsion of the [[fetus]], regardless of whether it is [[spontaneous]] or [[intentional]]ly induced. Many [[women]] who have had miscarriages, however, object to the term "abortion" in [[connection]] with their [[experience]], as it is generally [[associated]] with induced abortions. In recent years there has been [[discussion]] in the [[medical]] [[community]] about avoiding the use of this term in [[favor]] of the less [[ambiguous]] term "miscarriage".
Labour resulting in live [[birth]] before the 37th week of pregnancy is termed "premature birth", even if the infant dies shortly afterward. The [[limit]] of viability at which 50% of fetus/infants survive longterm is around 24 weeks, with moderate or major [[Brain|neurological]] disability dropping to 50% only by 26 weeks. Although long-term [[survival]] has never been reported for infants born from pregnancy shorter than 21 weeks and 5 days, infants born as early as the 16th week of pregnancy may sometimes live for some minutes after [[birth]].
A [[fetus]] that dies while in the [[uterus]] after about the 20–24th week of [[pregnancy]] is termed a "stillbirth"; the precise gestational age definition varies by country. Premature births or stillbirths are not generally considered miscarriages, though usage of the terms and [[causes]] of these [[events]] may overlap.
[[Category: Health]]
*Date: circa [http://www.wikipedia.org/wiki/17th_Century 1652]
==Definitions==
*1 : corrupt or incompetent [[management]]; especially : a failure in the [[administration]] of [[justice]]
*2 : [[spontaneous]] expulsion of a [[human]] [[fetus]] before it is viable and especially between the 12th and 28th weeks of gestation
==Description==
'''Miscarriage''' or [[spontaneous]] [[abortion]] is the spontaneous end of a pregnancy at a [[stage]] where the [[embryo]] or fetus is incapable of [[surviving]], generally defined in [[humans]] at prior to 20 weeks of gestation. Miscarriage is the most common complication of early pregnancy.
Very early miscarriages—those that occur before the sixth week LMP (since the [[woman]]'s Last Menstrual Period)—are medically termed early pregnancy loss or [[chemical]] pregnancy. Miscarriages that occur after the sixth week LMP are medically termed clinical [[spontaneous]] [[abortion]].
In medical [[contexts]], the [[word]] "[[abortion]]" refers to any [[process]] by which a pregnancy ends with the [[death]] and removal or expulsion of the [[fetus]], regardless of whether it is [[spontaneous]] or [[intentional]]ly induced. Many [[women]] who have had miscarriages, however, object to the term "abortion" in [[connection]] with their [[experience]], as it is generally [[associated]] with induced abortions. In recent years there has been [[discussion]] in the [[medical]] [[community]] about avoiding the use of this term in [[favor]] of the less [[ambiguous]] term "miscarriage".
Labour resulting in live [[birth]] before the 37th week of pregnancy is termed "premature birth", even if the infant dies shortly afterward. The [[limit]] of viability at which 50% of fetus/infants survive longterm is around 24 weeks, with moderate or major [[Brain|neurological]] disability dropping to 50% only by 26 weeks. Although long-term [[survival]] has never been reported for infants born from pregnancy shorter than 21 weeks and 5 days, infants born as early as the 16th week of pregnancy may sometimes live for some minutes after [[birth]].
A [[fetus]] that dies while in the [[uterus]] after about the 20–24th week of [[pregnancy]] is termed a "stillbirth"; the precise gestational age definition varies by country. Premature births or stillbirths are not generally considered miscarriages, though usage of the terms and [[causes]] of these [[events]] may overlap.
[[Category: Health]]
