GRAND JUNCTION, Colo. (AP) — The effects of an annual music festival in Grand Junction, Colo., may appear months after the last act plays — nine months, to be precise.

A health official says her agency sees far more newly pregnant women in the weeks after Country Jam, which was held last month and featured Tim McGraw, Clay Walker and Sugarland.

Nurse-Family Partnership supervisor Wanda Scott says her agency normally sees 25 to 30 pregnant women a month but the number jumps to almost 80 about five weeks after the festival. She gave her findings to Mesa County commissioners Monday.