Anna wanted to become pregnant again but had irregular menstruation due to her eating disorder.

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Conversely, menstruation is starting only marginally earlier in girls today than 40 years ago.

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Anna wanted to become pregnant again but had irregular menstruation as a result of her eating disorder.

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Kimberly Clark wants to take the stigma out of menstruation in honest ads for its feminine hygiene products.

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For much of human history, a woman's reproductive life was dominated by pregnancy and breast-feeding, both of which block menstruation.

ECONOMIST: Controlling menstruation

Thus, from the point of view of reducing breast cancer risk, having a later onset of menstruation followed by an early pregnancy and a large number of children is beneficial.

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Rituals celebrate menstruation, birth, and the joy of sexuality.

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There are penis jokes, ass jokes, menstruation jokes.

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As Arthur Caplan, a bioethicist at the University of Pennsylvania, notes, the broader question raised by Seasonale is whether suppressing menstruation is merely a lifestyle choice or, rather, whether it is more like turning a normal bodily function into a medical complaint.

ECONOMIST: Controlling menstruation