breakthrough bleeding

Noun

uncountable

(medicine) Intermenstrual, and typically irregular, vaginal bleeding commonly associated with the use of hormonal contraceptives.

Japanese Meaning

ホルモン性避妊薬使用に伴う月経外、不規則な膣出血

Many patients report breakthrough bleeding during the first few months after starting hormonal contraception.

多くの患者は、ホルモン避妊薬を使い始めてから最初の数か月間に中間期の不規則な出血を報告します。

Sense（1）

(medicine) Intermenstrual, and typically irregular, vaginal bleeding commonly associated with the use of hormonal contraceptives.