on1 cyun4 kei4安全期
Jyutpingon1 cyun4 kei4
Yaleōn chyùhn kèih
Definition
Safe period; the days before and after menstruation when conception is least likely.
colloquialhealth
How it's used
Medical professionals often caution against relying solely on this method for contraception because it is notoriously unreliable. The term is frequently used in casual conversations about reproductive health or family planning, but it carries a connotation of being a risky or amateur approach compared to modern medical alternatives.
Examples
She said she calculated her safe period, so it shouldn't be that easy to get pregnant.
Do you believe in this safe period method?
Related words
Common phrases
calculate the safe period
Common mistake
Many people mistakenly believe that the safe period is a foolproof way to avoid pregnancy, leading to unplanned outcomes. It is important to remember that biological cycles can be unpredictable and vary significantly between individuals.
Grammar color guide
Noun
Verb
Adjective
Adverb
Pronoun
Classifier
Particle
Connector
Grammar guides
- Aspect markersCantonese has no tenses, but it does have aspect markers. Learn how zo2, gwo3, gan2, and hai2 dou6 show completion, experience, and ongoing action.
- In 30 secondsThe whole language at a glance. No tenses, no plurals, six tones, sentence particles. Read this before you dive into any specific topic.
- ParticlesSentence particles add tone, emotion, and nuance. Learn the most common particles in Cantonese and how to use them.



