Final answer:
A woman who experiences intense contractions of the vaginal muscles during intercourse, causing pain, is likely suffering from vaginismus. This is a reflexive action that results in unintentional vaginal tightness, making sexual intercourse uncomfortable or painful.
Step-by-step explanation:
A woman who experiences intense contractions of the vaginal muscles, making intercourse painful, is suffering from vaginismus. Vaginismus is a condition where there is involuntary tightness of the vagina during attempted intercourse. The condition is reflexive and not under the control of the woman, and it can result in discomfort or pain.
Now, to further assist with the other items provided:
- During the orgasm phase of the sexual response cycle, individuals experience rhythmic contractions of the pelvis that are accompanied by uterine contractions and ejaculation.
- Vaginitis involves inflammation of the vagina and is characterized by a discharge, with about 90 percent of cases caused by infections such as yeast infections from Candida albicans.
- Approximately 3 weeks after her last menstrual period, a sexually active woman experiencing a brief episode of abdominopelvic cramping and minor bleeding might be experiencing implantation bleeding.