Mao Connie Dept web

Constance Mao, MD

Associate Professor
Director, Harborview Women's Colposcopy Clinic

Joined UW Medicine:


Clinical Focus:

Women's Health Care:
• Cervical, vulvar, vaginal dysplasia
• HPV infections
• HPV vaccination
• Genital warts


Washington, 1993


Obstetrics and Gynecology, 1994


• MD Degree
   (University of Southern California, Los Angeles, 1988)
• Residency in Obstetrics and Gynecology
   (University of Washington, 1992)

Research Interests:

• Screening methods for cervical cancer
• Treatment of genital dysplasias
• HPV vaccine development

Current Research:

• A Randomized, International, Double-Blind, Controlled with GARDASIL TM, Dose-Ranging, Tolerability, Immunogenicity, and Efficacy Study of a Second Generation, Human Papillomavirus L1 Virus-Like Particle Vaccine Administered to 16 to 26 Year Old Women
• Cytology vs. At Home HPV Screening for Detection of CIN 2,3, CIS
• Population-Based Research Optimizing Screening through Personalized Regimens (PROSPR)


• American Congress of Obstetricians and Gynecologists
• American Medical Association
• American Society of Colposcopy and Cervical Pathology

Selected Publications:

Mao C, Balasubramanian A, Yu M, Kiviat N, Ridder R, Reichert A, Herkert M, vonKnebel Doeberitz M, Koutsky LA. Evaluation of a new p16INK4a ELISA test and a high-risk HPV DNA test for cervical cancer screening: results from proof-of-concept study. Int J Cancer 2007;120(11):2435-8.

Mao C, Koutsky LA, Ault KA, Wheeler CM, Brown Dr. Wiley D, et al. Efficacy of human papillomavirus-16 vaccine to prevent cervical intraepithelial neoplasia: a randomized controlled trial. Obstet Gynecol 2006;107:18-27.

Mao C, Balasubramani A, Koutsky L. Should liquid cytology be repeated at the time of colposcopy? J Lower Genital Tract Dis 2005;9:82-8.

Harris T, Kulasingam SL, Kiviat NB, Mao C, Agoff SN, Feng Q, et al. Cigarette smoking, oncogenic HPV, Ki-67 antigen, and cervical intraepithelial neoplasia. Am J Epidemiol 2004;159:834-42.

ASCUS-LSIL Triage Study (ALTS) Group. Results of a randomized trial on the management of cytology interpretations of atypical squamous cells of undetermined significance. Am J Obstet Gyn 2003 Jun;188(6):1383–92.

Agoff SA, Lin P, Morihara J, Mao C, Kiviat N, Koutsky L. p16 (INK4a) expression correlates with degree of cervical neoplasia: a comparison with Ki-67 expression and detection of high risk HPV types. Mod Path Jul 2003;16(7):665–73.

Mao C. Should liquid-based Pap smears contain a transformation zone component? Contemporary Ob Gyn 2003;48:78–83.

Mao C, Koutsky L, Kiviat N, Hughes J, Kuypers J. Clinical findings among young women with genital human papillomavirus infection. Am J Obstet Gyn 2003;188:677-84.

Kulasingam SL, Hughes JP, Kiviat NB, Mao C, Weiss NS, Kuypers JM, Koutsky LA. Evaluation of new cervical cancer screening technologies: Part 1. Comparison of sensitivity, specificity, and referral rates. JAMA Oct 2002;288:1749–1757.

Baer A, Kiviat NB, Kulasingam S, Kuypers J, Mao C, Koutsky L. Liquid-based Pap smears without a transformation zone component: Should clinicians worry? Obstet Gyn June 2002;99:1053–59.

Appointments & Practice Locations

Harborview Women's Clinic (HMC)
325 Ninth Ave, Ground Floor, West Clinic
Seattle WA 98104-2499

Appointments:   206.744.3367