noun
pessary; contraceptive diaphragm
Medical term for a vaginal device used for contraception or to support pelvic organs. In Japanese, it is commonly understood as a contraceptive diaphragm.
医師は避妊のためにペッサリーの使用を勧めた。
The doctor recommended using a pessary for contraception.
ペッサリーは子宮脱の治療にも使われること
A pessary is sometimes also used to treat uterine prolapse.