obstetrics and gynaecology
noun [ U ] medical specialized uk/ɒbˌstet.rɪks ən ɡaɪ.nəˈkɒl.ə.dʒi/ us/ɑːbˌstet.rɪks ən ɡaɪ.nəˈkɑː.lə.dʒi/ (also OB/GYN)
妇产科学
the part of medicine concerned with women's health, including pregnancy and non-pregnancy related conditions