infection in the endometrium, fallopian tubes, and lining of the pelvic area, may have no symptoms. If symptomatic - lower abdominal pain, vaginal discharge, fever, burning with urination, pain with sex, or irregular menstruation. If untreated, can lead to infertility (about 20% of PID patients become infertile), ectopic pregnancy, chronic pelvic pain, and cancer. -Took science "between the sheets"
Groundbreaking research no one else would do, developed first scientific model of sexual responsiveness, new field of sex therapy, left legacy of more open acceptance of sexuality
-Masters - one of America's leading experts on fertility
-1954: Masters gets support to start sex research lab at Washington University, first of its kind in the world
-Eventually had over 700 volunteers measured under scientific observation while they engaged in a range of sexual activity both solo and as couples
-1954-1966: over 10,000 orgasms recorded; measured for heart rates, respiration, skin responses, eye pupil changes, genital engorgement, and intravaginal changes
-Results published in Human Sexual Response, 1966
-Males and females have similar sexual response physiologically