Why have gender reveals made the news recently?

Explanation:

The gender reveal that Jonathan Reilly orchestrated for his first baby didn’t go perfectly. In 2016, he had his mother-in-law secretly write down the baby’s sex and order balloons from a party-supply store. The plan was for the balloons, which were all blue, to stay hidden in a bag from Reilly and his wife until the couple hosted a party. The balloons would appear and reveal that the baby was a boy. But the store put them in a clear bag. Reilly inadvertently saw them before the party even began

the answer is blue river