Torad V
From Memory Alpha, the free Star Trek reference
Torad V is a planet in the Gamma Quadrant.
In 2372, Keiko O'Brien traveled to Torad V along with Julian Bashir and Kira Nerys in order to study the planet's botanical mysteries. During the trip the runabout they were traveling on, the USS Volga suffered damage and Keiko, who was pregnant with her son, was injured.
In order to save the baby's life Dr. Bashir transferred the fetus to Kira's body. Once transferred it was necessary for Kira to carry the baby to term. (DS9: "Body Parts")
