noun
vaginal discharge
Medical and everyday term for physiological discharge; often used in women's health contexts.
おりものの量や色が気になったら、婦人科を受診してください。
If you are concerned about the amount or color of your vaginal discharge, please see a gynecologist.
noun
Euphemistic or older term for menstruation; in modern Japanese 生理 is more common.
昔は「おりもの」が月経を指すこともあったが、今はほとんど使われない。
In the past, おりもの could refer to menstruation, but it is rarely used that way now.
noun
afterbirth; lochia
Refers to postpartum discharge; primarily a medical or midwifery term.
出産後のおりものは、悪露と呼ばれることが多い。
Postpartum discharge is often called 悪露 (lochia).
Compound of 下り (ori, 'descending') + 物 (mono, 'thing'), literally 'something that comes down'. The exact historical derivation is uncertain, but the term has long been used euphemistically for bodily discharges.