Miscarriage

"Miscarriage" is the common term for the natural or accidental termination of a pregnancy at a stage where the embryo or the fetus is incapable of surviving. Miscarriages are the most common complication of pregnancy.

Prevalence

Miscarriages occur more often than most people think. About 25% of women will experience one in their lives. Up to 78% of all conceptions may fail {{ref|s}}, in most cases before the woman even knows she is pregnant. A fifth of confirmed pregnancies have some bleeding occuring in the first 20 weeks and in all 15% proceed to miscarriage {{ref|BMJ1997}}. After the age of 35, the risk of miscarriage increases considerably: 1 in 5 or 6. After 40, the risk increases to 1 in 3, and after 45 it is 1 in 2.

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'in the United States ending roughly .5 percent of all pregnancies'

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?Where is your source, in UK, I clinically advise approx 20-25% 22:33, 5 August 2005 (UTC)

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