Complex sentence: The majority of the Amish accept these as "Gottes Wille" (God's will); they reject any use of genetic tests prior to marriage to prevent these disorders, and they reject tests that would discover genetic disorders in unborn children.
Split into simpler sentences: The majority of the Amish accept these as "Gottes Wille" (God's will). However, they reject any use of genetic tests prior to marriage to prevent these disorders, and they reject tests that would discover genetic disorders in unborn children.