noun
sexual knowledge; facts of life
Refers to understanding of human sexuality, reproduction, and related topics; often used in educational or parental contexts.
学校で性知識を教えることは大切だ。
Teaching sexual knowledge at school is important.
子どもに性知識をどう伝えるか悩む親も多い。
Many parents struggle with how to convey the facts of life to their children.