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A member asked:

Other than pregnancy, why would my menstrual cycle would be a week late when it's been regular for over a year? no major changes. only slightly weight

A doctor has provided 1 answer
Dr. Victor Beshay answered

Specializes in Fertility Medicine

Several causes: There are several causes for this. One common cause is cyst formation where the cyst is hormonally active and causes cycle delay. These cysts are typically benign and resolve spontaneously. If the cycle irregularity persists, see your gynecologist.

Answered 4/12/2013

5.2k views

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