Genetic
If the chromosomes of couples who have experienced three consecutive losses are analyzed, an abnormality in the chromosomes of either the man or the woman will be found in one to two percent of couples. There are many types of abnormalities, but the most common are translocations, in which a piece of one chromosome is hooked onto another chromosome (Robertsonian), or in which pieces of chromosomes are exchanged with one another (reciprocal). The implications of a chromosomal abnormality for the chances of a normal conception in the future are totally dependent on the type of abnormality discovered. If an abnormality is uncovered, counseling with a geneticist should be obtained to discuss its implications. Chromosome analyses are performed on blood samples taken from each partner.
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