MC Genetic testing confirms -Robertsonian translocation- positive for Down syndrome

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Just recently had a miscarriage and had the products genetically tested to see what went wrong. The baby never formed, but came back positive for Robertsonian translocation of the 21st chromosomes, resulting in Down syndrome. In other words, two of the three #21 chromosomes, broke off in the same spot (q10) and attached themselves to each other resulting in three 21s. Has anyone ever had this happen?

We are both going to be tested to see if one of us carries a gene. I’m hoping this is a fluke since we have a daughter who does not have downs.

If anyone’s been through anything like this or knows someone who has, please share your story! I’m so baffled and lost. Praying I️ can have another healthy pregnancy.

Baby dust to all 💕