To learn more about research studies in the Department of Obstetrics and Gynecology, click the button below.

Interest Icon for Research

If you have additional questions, contact us at or call 916-734-6846.

Birth Control

  • Hormonal Vaginal Ring Study
    This clinical trial will study the efficacy, bleeding patterns, and safety of a new contraceptive vaginal ring over 12 months. The ring in this study is used for three months before it is changed.

Studies Needing Women Not at Risk for Pregnancy

  • Estrogen-Free Pill Study
    We know that birth control pills are most effective when taken at the same time every day. We are conducting a study of an estrogen-free (progestin-only) birth control pill to learn more about the effect on cervical mucus and ovulation if you skip a pill or take a pill late.


Women's and Gynecologic Cancer