Is it normal to delay menstruation for more than ten days

If the period is delayed or advanced for no more than seven days, it belongs to the normal range, but if the period has been delayed for more than ten days, it is generally not normal. If the period is delayed for more than ten days, first consider whether it is caused by pregnancy. If it is not caused by pregnancy, it may be caused by endocrine disorders, thin endometrium and other diseases.