In my state even when you home-birth you are required to submit samples. You have a right to "request" they destroy the samples after 90 days, but in the fine print it says they will process your request but they won't guarantee that all samples/digitizations will actually get destroyed.
https://www.newscientist.com/article/dn18945-do-you-care-wha...
https://www.healthnutnews.com/cbs-dna-from-newborn-blood-sam...
https://pubmed.ncbi.nlm.nih.gov/23136040/
In my state even when you home-birth you are required to submit samples. You have a right to "request" they destroy the samples after 90 days, but in the fine print it says they will process your request but they won't guarantee that all samples/digitizations will actually get destroyed.