"OB associations" refer to organizations that focus on the field of obstetrics, which is the branch of medicine dealing with pregnancy, childbirth, and the postpartum period. These associations often provide resources, education, and support for healthcare professionals, including obstetricians, midwives, and nurses. They aim to improve maternal and infant health outcomes through research, advocacy, and the sharing of best practices. Many OB associations also engage in public health initiatives, offering information and support to expectant parents. They may host conferences, publish guidelines, and promote awareness about issues such as prenatal care, childbirth education, and maternal mental health. These efforts help ensure that families receive quality care during pregnancy and childbirth.