Her sexual response

plateau phase

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If stimulation continues, a woman will enter the plateau phase, which varies in length depending on the type of stimulation and her own desires. (Many women like to prolong this phase with extended "foreplay.") As arousal levels rise, so do blood pressure, heart rate, respiratory rate and muscle tension.

In addition to these changes, a woman's breasts, labia, and vagina continue to enlarge. The upper two thirds of her vagina expands and her uterus elevates further. This shift in position of the uterus is referred to as tenting and is thought to allow for an easier passage of sperm into the uterus and fallopian tubes. The clitoris may elevate or retract under the clitoral hood, and the Bartholin's glands may secrete small amounts of fluid in the region of the vaginal opening.

next phase:
orgasmic