. . . . . . . . is termed as Anti-sterility vitamin.

Vitamin E is termed an Anti-sterility vitamin.
Vitamin E was first discovered by Evans and Bishop in 1922, and it was initially denoted as an “anti-sterility factor X” that was necessary for reproduction. Vitamin E has been well characterized as a powerful lipid-soluble antioxidant through extensive research.
Vitamin E is known as anti-sterility vitamin or fertility vitamin. It is chemically called tocopherol. Vitamin E deficiency occurs rarely in adults. Vitamin E is used during testosterone synthesis.