When a patient has had two or more miscarriages, Preimplantation Genetic Diagnosis for all the chromosomes should be carried out to diagnose and treat their cause. These studies are usually requested by the gynaecologist attending the patient, but often, in approximately 50% of cases, the results are normal and yet the miscarriages continue to occur.
70% of miscarriages that take place in the first trimester of pregnancy have a genetic cause, they are due to chromosomal abnormalities in the embryo itself.
Thanks to advances in Assisted Reproduction Techniques, a sure diagnosis can now be reached in a very high percentage of patients.
Normal Embryo for chromosomes: 13,16,18,21 and 22:
Normal Embryo for chromosomes: 15,17,X and Y:
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