noun
gynecology
Medical field dealing with the female reproductive system. Used in formal and clinical contexts.
彼女は婦人科学を専攻している。
She is majoring in gynecology.
婦人科学の進歩により、多くの女性の病気が治療可能になった。
Advances in gynecology have made many women's diseases treatable.
Refers to the combined department of obstetrics and gynecology, while 婦人科学 is specifically gynecology as a field of study.
Compound of 婦人 (woman) + 科学 (science), a straightforward modern coinage for the medical specialty.