But there are medical guidelines for what's considered chronic constipation.

但是对于什么被认为是慢性便秘，有医学指南。

Chronic constipation can be caused by a lot of things.

慢性便秘可能由很多原因引起。

Chronic constipation can also be caused by hormonal changes like the ones that happen when you're pregnant.

慢性便秘也可能是由荷尔蒙变化引起的，例如怀孕时发生的荷尔蒙变化。

But sometimes, it takes more than that, especially if you've got chronic constipation, which can happen because of diet, medication, hormonal changes and lots of other things.

但有时, 它需要更多, 特别是如果你有慢性便秘, 这可能是由于饮食, 药物, 荷尔蒙变化和许多其他因素造成的。