Females Sexual arousal

sexual arousal in women characterized vasocongestion of genital tissues, including internal , external areas (e.g., vaginal walls, clitoris, , labia). there variety of methods used assess genital sexual arousal in women. vaginal photoplethysmography (vpg) can measure changes in vaginal blood volume or phasic changes in vasocongestion associated each heartbeat. clitoral photoplethysmography functions in similar way vpg, measures changes in clitoral blood volume, rather vaginal vasocongestion. thermography provides direct measure of genital sexual arousal measuring changes in temperature associated increased blood flow external genital tissues. similarly, labial thermistor clips measure changes in temperature associated genital engorgement; method directly measures changes in temperature of labia. more recently, laser doppler imaging (ldi) has been used direct measure of genital sexual arousal in women. ldi functions measuring superficial changes in blood flow in vulvar tissues.