When Nick Ludwig was given a 23andMe DNA test for his birthday in January 2023, his parents said there was something he needed to know.

Ludwig, 38, of Lindenhurst, said that while sitting in his parents’ Massapequa kitchen, they revealed a possible chance he and his brother were not biologically related to their father.

“I was replaying my whole life,” Ludwig recalled. “It was like my life flashed before my eyes.”

Ludwig’s parents said they used a process called sperm washing, in which healthy sperm are isolated from dead sperm, to conceive him and his brother. But both times, their father’s sperm and a donor’s sperm were mixed together.

“I guess they convinced themselves that there was a possibility that my brother and I were connected to our father biologically,” Ludwig said.

DNA te

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