The activity of the Women's Health Care Committee over a two year period up to June 2015 focused upon: (i) management of breast diseases in obstetrics and gynecology; (ii) investigation of lifestyle-related disease and bone mineral density after gynecologic cancer therapy; (iii) postoperative women's health care; (iv) current surgical treatment for pelvic organ prolapse among gynecologists in Japan; (v) cesarean indication for pregnant women with active/inactive genital viral lesions; (vi) health care of young female athletes concerned about menstrual cycle abnormalities, stress fractures and premenstrual syndrome/premenstrual dysphoric disorder; (vii) a training program for women's health care advisers; and (viii) a new edition of the oral contraceptive and low-dose estrogen-progestogen guideline. Detailed activities of the eight subcommittees are described in the text.