- A miscarriage is the loss of pregnancy from natural causes before the 20th week of pregnancy. Most miscarriages occur very early in the pregnancy, often before a woman even knows she is pregnant. There are many different causes for a miscarriage. In most cases, there is nothing you can do to prevent a miscarriage.factors that may contribute to miscarriage include
- a genetic problem with the fetus. This is the most common cause in the first trimester.
- problems with the uterus or cervix. These contribute in the second trimester.
- polycystic ovary syndrome
signs of a miscarriage can include vaginal spotting or bleeding, abdominal pain or cramping, and fluid or tissue passing from the vagina. Although vaginal bleeding is a common symptom of miscarriage, many women have spotting early in their pregnancy but do not miscarry. But if you are pregnant and have bleeding or spotting, contact your health care provider immediately.women who miscarry early in their pregnancy usually do not need any treatment. In some cases, you may need a procedure called a dilatation and curettage (d&c) to remove tissue remaining in the uterus.counseling may help you cope with your grief. Later, if you do decide to try again, work closely with your health care provider to lower the risks. Many women who have a miscarriage go on to have healthy babies. nih: national institute of child health and human development - Expulsion of the product of fertilization before completing the term of gestation and without deliberate interference.
- Expulsion of the products of conception before the completion of gestation without deliberate interference.
- Loss of the products of conception from the uterus before the fetus is viable; spontaneous abortion.
- The natural premature expulsion from the uterus of the products of conception, the embryo, or non-viable fetus.
634 Spontaneous abortion 
634.0 Spontaneous abortion complicated by genital tract and pelvic infection 

634.00 Spontaneous abortion, complicated by genital tract and pelvic infection, unspecified convert 634.00 to ICD-10-CM

634.01 Spontaneous abortion, complicated by genital tract and pelvic infection, incomplete convert 634.01 to ICD-10-CM

634.02 Spontaneous abortion, complicated by genital tract and pelvic infection, complete convert 634.02 to ICD-10-CM
634.1 Spontaneous abortion complicated by delayed or excessive hemorrhage 

634.10 Spontaneous abortion, complicated by delayed or excessive hemorrhage, unspecified convert 634.10 to ICD-10-CM

634.11 Spontaneous abortion, complicated by delayed or excessive hemorrhage, incomplete convert 634.11 to ICD-10-CM

634.12 Spontaneous abortion, complicated by delayed or excessive hemorrhage, complete convert 634.12 to ICD-10-CM
634.2 Spontaneous abortion complicated by damage to pelvic organs or tissues 

634.20 Spontaneous abortion, complicated by damage to pelvic organs or tissues, unspecified convert 634.20 to ICD-10-CM

634.21 Spontaneous abortion, complicated by damage to pelvic organs or tissues, incomplete convert 634.21 to ICD-10-CM

634.22 Spontaneous abortion, complicated by damage to pelvic organs or tissues, complete convert 634.22 to ICD-10-CM
634.3 Spontaneous abortion complicated by renal failure 

634.30 Spontaneous abortion, complicated by renal failure, unspecified convert 634.30 to ICD-10-CM

634.31 Spontaneous abortion, complicated by renal failure, incomplete convert 634.31 to ICD-10-CM

634.32 Spontaneous abortion, complicated by renal failure, complete convert 634.32 to ICD-10-CM
634.4 Spontaneous abortion complicated by metabolic disorder 

634.40 Spontaneous abortion, complicated by metabolic disorder, unspecified convert 634.40 to ICD-10-CM

634.41 Spontaneous abortion, complicated by metabolic disorder, incomplete convert 634.41 to ICD-10-CM

634.42 Spontaneous abortion, complicated by metabolic disorder, complete convert 634.42 to ICD-10-CM
634.5 Spontaneous abortion complicated by shock 

634.50 Spontaneous abortion, complicated by shock, unspecified convert 634.50 to ICD-10-CM

634.51 Spontaneous abortion, complicated by shock, incomplete convert 634.51 to ICD-10-CM

634.52 Spontaneous abortion, complicated by shock, complete convert 634.52 to ICD-10-CM
634.6 Spontaneous abortion complicated by embolism 

634.60 Spontaneous abortion, complicated by embolism, unspecified convert 634.60 to ICD-10-CM

634.61 Spontaneous abortion, complicated by embolism, incomplete convert 634.61 to ICD-10-CM

634.62 Spontaneous abortion, complicated by embolism, complete convert 634.62 to ICD-10-CM
634.7 Spontaneous abortion with other specified complications 

634.70 Spontaneous abortion, with other specified complications, unspecified convert 634.70 to ICD-10-CM

634.71 Spontaneous abortion, with other specified complications, incomplete convert 634.71 to ICD-10-CM

634.72 Spontaneous abortion, with other specified complications, complete convert 634.72 to ICD-10-CM
634.8 Spontaneous abortion with unspecified complication 

634.80 Spontaneous abortion, with unspecified complication, unspecified convert 634.80 to ICD-10-CM

634.81 Spontaneous abortion, with unspecified complication, incomplete convert 634.81 to ICD-10-CM

634.82 Spontaneous abortion, with unspecified complication, complete convert 634.82 to ICD-10-CM
634.9 Spontaneous abortion without mention of complication 

634.90 Spontaneous abortion, without mention of complication, unspecified convert 634.90 to ICD-10-CM

634.91 Spontaneous abortion, without mention of complication, incomplete convert 634.91 to ICD-10-CM

634.92 Spontaneous abortion, without mention of complication, complete convert 634.92 to ICD-10-CM