Cassandra is my 17 month old Diamond Python. When she? was about 7 months old, I took her? to the vet for health check up and sexing. While the vet explained that probing female Diamonds may give false male result, due to the probe going in further than with other carpet females, he was pretty certain she was a she. And then tonight she dropped some urate with an attachment that looks a lot like a sperm plug... Is it? Is 17 months old start of sexual maturity? If Cassandra is Xander, that would explain his twitchiness, considering there’s a mature female bredli on the opposite side of the room.