What is "That time of the month" in Vietnamese and how to say it?

American English

that time of the month

that time of the month-ngày đèn đỏ.svg
Vietnamese

ngày đèn đỏ

Learn the word in this minigame:

Example sentences

American EnglishA bit of period blood leaked onto her pants.

"That time of the month" in 45 More Languages.

Other interesting topics in Vietnamese