Having fewer than three bowel movements a week is, technically, the definition of constipation. However, how often you “go” varies widely from person to person. Some people have bowel movements several times a day while others have them only one to two times a week. Whatever your bowel movement pattern is, it’s unique and peak bioboost amazon normal for you – as long as you don’t stray too far from your pattern.Constipation occurs when bowel movements become less frequent and stools become difficult to pass. It happens most often due to changes in diet or routine, or due to inadequate intake of fiber. You should call your doctor if you have severe pain, blood in your stools, or constipation that lasts longer than three weeks.