Grace has been unable to have intercourse. She experiences pain due to muscle spasms around her vagina whenever her husband attempts vaginal penetration. Grace likely has ________.

A) Peyronie's disease
B) vaginitis
C) Klinefelter's syndrome
D) vaginismus

Grace’s symptoms are consistent with vaginismus, a condition in which the muscles around the vagina involuntarily tense up, making it extremely painful or impossible to have intercourse. Peyronie's disease affects the penis, while vaginitis is an inflammation or infection of the vagina. Klinefelter's syndrome is a genetic condition that affects males and is unlikely to be the cause of Grace’s symptoms.