When it comes to lovemaking, many women experience difficulty trying to achieve orgasm, and some women have never been able to reach orgasm. This condition is call female orgasmic disorder (FOD). Women with FOD fall into two categories—they either never have been able to achieve orgasm or they, for some reason, are no longer able to achieve orgasm as they once did. Many experts believe FOD to be the most challenging sexual dysfunction to treat.

• What causes female orgasmic disorder, or FOD?
• How to treat FOD.