The supreme court ruled that ta state law prohibiting the use of birth control was unconstitutional in the case of

Griswold v. Connecticut (1965)

Explanation:

In Griswold v. Connecticut (1965), Supreme Court gave its verdict that the prohibition of using contraceptives is unconstitutional. It violates marital privacy rights enshrined in the Constitution.

It was concerned to a law passed in Connecticut, 1879, that criminalizes the use of contraceptive.

The 1879 law states: "any person who uses any drug, medicinal article or instrument for the purposes of preventing conception shall be fined not less than forty dollars or imprisoned not less than sixty days."

It propagated the idea of marital privacy, personal freedom, and fundamental right. The verdict emerged as a major development in the constitutional validity in United States upholding the right of equality and liberty.