The bloodless blood knot.

Just as it is difficult to describe adequately the exhilaration one feels when using a fly rod to land a trout caught from a mountain stream, there is also a tremendous amount of satisfaction in the successful completion of an obstetric operation. Until recently, we were woefully ignorant of how fly fishing expertise could benefit pregnancy. We report with great pride an instance in which fly fishing knot skill was essential to successful placement of a cervical cerclage for a woman with an incompetent cervix.