Baby shower

From Memory Alpha, the free Star Trek reference.

A baby shower is a celebration often held for expectant parents, where the guests bring gifts such as toys for the infant, or things the parents can use to look after the baby.

In 2371, Julian Bashir and Miles O'Brien were planning on throwing a baby shower for ensign Vilix'pran. (DS9: "Heart of Stone")

In 2377, Seven of Nine created a holoprogram to interact with holographic versions of the USS Voyager crew that included a baby shower for Tom Paris and B'Elanna Torres, who were expecting a child at the time. (VOY: "Human Error")