I don't want to be a scaremonger but I would like to bring out another scenario. She could sell your condom to a triad gang, who will smear your DNA in a sex crime or murder scene. The intention is not to incriminate you, but to confuse or compromise forensic work. Unlike IVF, dead sperms with highly degraded DNA are still fine. It is very likely you will never know about it, but your DNA fingerprint will be in the system, internationally, FOREVER. But just in case you are needed to submit a DNA sample to the police, you will be very, very deep trouble.
Our biological sample contains our genome, which contains a lot of personal information about us. We should learn how to protect ourselves. Check this out:
https://www.mediamatic.net/en/pa ... dna-from-strangers. I don't know about you, but I would never ever leave behind my used condom if I punt in China. During covid, this country has more or less collected DNA samples from its entire population.