PGT-A reports can look definitive while still requiring careful interpretation. Result labels describe the tested sample and laboratory analysis; they are not a complete prediction of pregnancy or child health.
Common categories
A euploid result is consistent with the expected chromosome number in the sampled cells. An aneuploid result indicates a chromosome-number finding. A mosaic result suggests a mixture of cell findings, and a no-result report means the laboratory could not issue a conclusive result from that sample.
Why clinic policy matters
Clinics and laboratories may differ in reporting thresholds, terminology, re-biopsy policies and the circumstances in which mosaic embryo transfer is considered. Ask for the written policy before testing whenever possible.
Counselling questions
Complex results deserve a conversation with qualified professionals.
- Which laboratory performed the test?
- What platform and reporting thresholds were used?
- How are segmental and mosaic findings reported?
- What are the options for no-result embryos?
- Is genetic counselling available before a transfer decision?
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