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There are three stages for this test:
First: Testing the chromosomes of the pregnancy tissue after miscarriage. This test is useful for identifying the cause of miscarriage, and if a genetic abnormality is found, the chromosomes of both partners are tested.
Second: Testing the chromosomes of both partners. This is necessary if a hereditary chromosomal abnormality is found in the miscarried pregnancy tissue.
Third: Testing the chromosomes of embryos before transferring them in IVF procedures.
There are many studies that support this test and confirm improved chances of pregnancy continuation and reduced miscarriage.