And you can add the time spent with premenstrual syndrome.
"They are not related in any way to premenstrual syndrome."
They may also include pregnancy, premenstrual syndrome, or too much exercise.
Girls and women can suffer from particularly severe premenstrual syndrome.
Emily Martin describes the relationship between premenstrual syndrome and the work place.
A few studies of chasteberry for premenstrual syndrome have found a benefit.
They looked at 10 years' worth of data from 3,000 women aged 27 to 44, about a third of them with premenstrual syndrome.
Headaches may occur if you have a cold, the flu, fever, or premenstrual syndrome.
You have severe premenstrual syndrome that could be helped by having your ovaries removed.
Women who take in a lot of calcium and vitamin D appear less likely than others to suffer from premenstrual syndrome, researchers have found.