““When I was in high school, the Southern Baptist Convention was pro-choice.”
Never true. In 1971, the SBC passed a resolution saying:
“Therefore, be it RESOLVED, that this Convention express the belief that society has a responsibility to affirm through the laws of the state a high view of the sanctity of human life, including fetal life, in order to protect those who cannot protect themselves; and
Be it further RESOLVED, That we call upon Southern Baptists to work for legislation that will allow the possibility of abortion under such conditions as rape, incest, clear evidence of severe fetal deformity, and carefully ascertained evidence of the likelihood of damage to the emotional, mental, and physical health of the mother...”
Most at the time did not know the courts said “mental health” made abortion for almost any reason acceptable.
By 1980, as more became aware of what abortion meant and how laws were interpreted, the SBC passed a resolution saying:
WHEREAS, Southern Baptists have historically affirmed the biblical teaching of the sanctity of all human life, and
WHEREAS, All medical evidence indicates that abortion ends the life of a developing human being, and
WHEREAS, Our national laws permit a policy commonly referred to as “abortion on demand,”...
Be it finally RESOLVED, That we favor appropriate legislation and/or a constitutional amendment prohibiting abortion except to save the life of the mother.”
https://www.sbc.net/resource-library/resolutions/resolution-on-abortion-6/