Approximately 12% to 26% of all clinically recognized pregnancies end in miscarriage. Which is the most common cause of spontaneous abortion?
a. Chromosomal abnormalities
b. Infections
c. Endocrine imbalance
d. Immunologic factors
A
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A At least 60% of pregnancy losses result from chromosomal abnormalities that are
incompatible with life.
B Maternal infection may be a cause of early miscarriage.
C Endocrine imbalances such as hypothyroidism or diabetes are possible causes for
early pregnancy loss.
D Women who have repeated early pregnancy losses appear to have immunologic
factors the play a role in spontaneous abortion incidents.
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