What Does an OB-GYN Do?
What an OB-GYN does, how they are trained and board certified, the subspecialties within obstetrics and gynecology, and how they compare with other clinicians.
How to choose a gynecologist: OB-GYN vs gynecologist, checking board certification and licensing, insurance and costs, questions to ask and red flags.

A good gynecologist can be one of your most important long-term healthcare relationships, from screenings and contraception to pregnancy, menopause and beyond. Choosing one is worth a little research. Here is how to do it.
If you have a specific condition, you may be referred to a subspecialist:
| Subspecialist | Focus |
|---|---|
| Gynecologic oncologist | Cancers of the reproductive organs |
| Reproductive endocrinologist | Fertility and hormone disorders |
| Urogynecologist | Pelvic floor disorders, incontinence and prolapse |
| Maternal-fetal medicine | High-risk pregnancies |
You should feel comfortable discussing anything with your gynecologist. Consider whether you prefer a particular gender, language or cultural background, and whether the practice is welcoming to LGBTQ+ patients and people with disabilities. Reviews can help, but read them for patterns rather than single complaints.
For a longer list, see questions to ask your gynecologist.
If it’s your very first visit, our guide to what to expect at your first gynecologist visit explains how appointments work.
You can always change doctors. A second opinion is a normal and respected part of care, especially before surgery.
Start with your insurer’s directory, ask your primary care doctor for a referral, or use ACOG’s physician finder. Then check credentials and read patient reviews.
It depends on your insurance. Many plans allow you to see an in-network gynecologist without a referral, but some HMOs require one. Check with your insurer.
Not medically. Skill and communication matter most. Choose whoever you will feel most comfortable with, because that makes it easier to share important information.
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What an OB-GYN does, how they are trained and board certified, the subspecialties within obstetrics and gynecology, and how they compare with other clinicians.
What insurance covers at gynecologist visits: free preventive care under the ACA, services that may cost you, Medicare and Medicaid rules and billing tips.
How to find a gynecologist near you and check their credentials: NPI Registry lookups, ABOG board certification, state license checks and insurer directories.