175 question. On the morning of May 23, 2023, 12, all the theoretical questions of obstetrics and gynecology completed by the standardized training of residents in China were recalled. The questions and answers are: ** 175 questions, three questions, 130 multiple-choice questions, 20 multiple-choice questions and 25 indefinite multiple-choice questions. Obstetrics and Gynecology is a clinical medical discipline, which specializes in the study of women's unique physiology and pathology, including gynecology, obstetrics, family planning and assisted reproduction. The training cycle of obstetrics and gynecology specialists is 3 years.