There are many different approaches to counseling women that are entering an abortion clinic.
40 minute Video Clip (65 MB High Speed required)
Helpers of God’s Precious Infants (Msgr. Philip Reilly): http://www.helpersbrooklynny.org/
Pro-Life Action League (The Scheidlers in Chicago): http://www.prolifeaction.org/sidewalk/
The Karen Black method has many Do’s and Do Not’s. The compilation was made from real life experience.
When you stand out on that sidewalk, you are not counseling that child. If the child could answer you and respond, the child would not choose abortion. However, you're not talking to the baby, you're talking to its mother.