季经 meaning in Chinese

quarterly menstruation
suetsune

Already , the seasonale birth control pill limits periods to four a year . the first continuous - use birth control pill , lybrel , likely will soon be on the u . s . market and drug companies are lining up other ways to limit or eliminate the period
美国的一种避孕药片已经能让月经改为“季经” ，即一年只有4次月经而首个可连续口服的避孕药片lybrel也将很快投入美国市场。