Torad V was the fifth planet in its star system. This planet was located in the Gamma Quadrant.
In 2372, Keiko O'Brien traveled to Torad V along with Dr. Julian Bashir and Major Kira Nerys for a study of 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, Bashir transferred the fetus to Kira's body. Once transferred, it was necessary for Kira to carry the baby to term. (DS9: "Body Parts")
According to the Star Trek: Star Charts (p. 74), the primary of the Torad system was a K-class star. The system was a location visited by the Gamma Quadrant Bio-Survey (2369-75).
According to the script, the planet's name was pronounced as "toe-RAHD". 
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