George Nicholas Papanicolaou developed the Pap test in the United States during the twentieth century. The Pap test is a diagnostic procedure used to test for cervical cancer in women. Papanicolaou's work helped improve the reproductive health of women by providing an effective means of identifying precancerous cells and improving the likelihood of early treatment and survival of cervical cancer.
Colposcopy is a technique used to examine the vagina and cervix to identify abnormalities or earlier stages of cervical cancer. During an exam, a physician uses an instrument, called a colposcope, that illuminates and magnifies the tissues. Hans Hinselmann developed the