Gynecology is the branch of medical science that deals with the health maintenance and diseases of women, especially of the reproductive organs. Obstetrics is the branch of medicine deals with the treatment of women during pregnancy, labor, before and after childbirth.
Obstetrics and Gynecology, often abbreviated to Ob/Gyn, is a single entity which deals with the female reproductive organs in gestating and non-gestating situation. Obstetrics was originally a separate branch of medicine, and gynecology comes under the division of surgery.
Obstetrics and Gynecology is the field of medicine dealing with antenatal care and assessment, postpartum care, prenatal diagnosis, bleeding in pregnancy, coagulation disorders in pregnancy, hypertension in pregnancy, medical disorders in pregnancy, infections in pregnancy, psychiatric disorders in pregnancy, fetal growth restriction, multiple pregnancy, fetal medicine, molecular genetics in obstetrics and gynaecology, HIV in obstetrics and gynaecology, infections in gynaecology, pelvic pain, endometriosis, menopause, contraception, therapeutic abortion, recurrent miscarriage, reproductive medicine, infertility: male and female, cervical neoplasia, uterine tumours, ovarian cancer, urogynaecology, obesity, sexual medicine, imaging in obstetrics and gynaecology.