Women have long been manipulating hormonal contraceptives to skip or block menstrual periods. For young women with a world of choices, even that monthly curse, the menstrual period, is optional.

• 随著科学的日益进步，现在年轻女性在生活上有了极大的选择机会，甚至连女性每个月都要经历的那特殊的几天（月经期），都可以按照她们的选择，要或者不要。