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By Jessica Grose
Opinion Writer
I can’t remember when I learned that women’s fertility starts to wane in our 30s; it feels like I was born knowing that my eggs had a sell-by date. Men, conversely, are rarely encouraged to think about their ability to have children.
The discussion around healthy sperm seems confined to cloistered and strange subcultures, like natalist group chats and tech bro sperm races. The latter is a real thing in Los Angeles, where men raced their sperm against each other.
