Obstetrics & Gynecology is a peer-reviewed

Peer review

Peer review is a process of self-regulation by a profession or a process of evaluation involving qualified individuals within the relevant field. Peer review methods are employed to maintain standards, improve performance and provide credibility...

 medical journal

Medical journal

A public health journal is a scientific journal devoted to the field of public health, including epidemiology, biostatistics, and health care . Public health journals, like most scientific journals, are peer-reviewed...

 in the field of obstetrics and gynecology

Obstetrics and gynaecology

Obstetrics and gynaecology are the two surgical–medical specialties dealing with the female reproductive organs in their pregnant and non-pregnant state, respectively, and as such are often combined to form a single medical specialty and postgraduate training programme...

. It is the official publication of the American College of Obstetricians and Gynecologists. It is popularly known as the "Green Journal".

Obstetrics & Gynecology has approximately 45,000 subscribers. According to the 2009 Journal Citation Reports

Journal Citation Reports

Journal Citation Reports is an annual publication by the Healthcare & Science division of Thomson Reuters. It has been integrated with the Web of Knowledge, by Thomson Reuters, and is accessed from the Web of Science to JCR Web. It provides information about academic journals in the sciences and...

, it had an impact factor

Impact factor

The impact factor, often abbreviated IF, is a measure reflecting the average number of citations to articles published in science and social science journals. It is frequently used as a proxy for the relative importance of a journal within its field, with journals with higher impact factors deemed...

of 4.357, ranking it 2nd among 70 reproductive medicine journals.