Watchtower 15 June 1999 p 27/28
Since sterilization procedures are now said to be reversible on request, might a Christian view them as [an acceptable] birth-control option? .. Christians [should] shape their thinking and deeds by God’s esteem for reproductive potential. (1 Timothy 3:2; Titus 1:8; 2:2, 5-8) This would reflect mature sensitivity to Scriptural indications. Yet, what if it became publicly known that a Christian blithely disregarded God’s evaluations? Would not others doubt whether he (or, she) was a good example, having a reputation of making decisions in harmony with the Bible? Such a disturbing blemish on one’s reputation could, of course, affect a minister’s being qualified for special privileges of service..
[Emphasis added]