U.S. birth rate has just a 30% chance of rising in 2025 [https://www.thestreet.com/.image/t_share/MjE1NzM1MDE2NzY2ODQyMjIz/gettyimages-97765871.jpg] U.S. birth rate has just a 30% chance of rising in 2025 Polymarket bets show just 30% odds of U.S. fertility rising in 2025 as baby bust fears deepen. [https://www.thestreet.com/crypto/markets/us-birth-rates-stay-low-market-trends-show]