Spontaneous abortion and its types .. The descent of the contents of the uterus fetus, placenta and chorionic membranes before the fetus is sufficiently developed can survive the ectopic

Spontaneous abortion and its types Spontaneous abortion and its types
Abortion is defined as the descent of the uterus Uterus (fetus, placenta, and placental membranes) before the fetus is sufficiently mature to survive outside the uterus. In the early trimester, abortion may occur during the first trimester and may occur during the second trimester. If the abortion occurs in the early trimester, it is called late abortion and is different from early birth. Where the fetus is alive in both cases (Chamberlain,
1996). Sources point out that 10-15% of clinically debilitating pregnancies can end with spontaneous abortion (Frederickson & Wilkings-Haug, 1997; Chamberlain, 1996), as confirmed by the World Health Organization, where 25 % Of pregnancies can end with abortion, especially in Third World countries (Berer, 2000).
There are four main reasons to be taken into account in assessing patients with a clinical history of spontaneous abortion, including Infection, chromosomal abnormalities, hormonal disorder, and anatomic abnormalities. However, most fetal disorders are mediated by immune disorders, Autoantibodies such as antiphospholipid antibodies (APA), anti-double stranded DNA antibodies (Anti-dsDNA), antinuclear antibodies (ANA), and insufficient antibody-blocking antibodies Dat white blood cells Leukocytes to Lab (Chong et al., 1995) Histocompatiblity leukocyte antigens (HLA). Recurrent spontaneous abortion was classified as 50% immunomodulatory disorder, chromosomal disorder by 7-50%, luteal phase defect by 5-20%, anatomical changes of 5-10% and Infections by 1% and finally 15% by non- Known causes (Chong et al., 1995). It is important to know that women who have spontaneous abortions are not known for reasons, 60% of them can later have a normal birth (Stites et al., 1997). The chances of pregnancy success are much lower when the causes of abortion are immune events, After 3 miscarriages, 25% after four abortions and only 5% after five miscarriages, while the chance of pregnancy success increases from 70-85% if treated (Chong et al., 1995).
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