1) Hurting 2) Menstrual disorder 3) Pain 4) Painful menstruation 
Dysmenorrhea (dysmenorrhoea or painful periods) is a medical condition of pain during menstruation that interferes with daily activities, as defined by ACOG and others. Still, dysmenorrhea is often defined simply as menstrual pain, or at least menstrual pain that is excessive. This article uses the dysmenorrhea definition of menstrual pain that in...
• (n.) Difficult and painful menstruation.
pain or painful cramps felt before or during menstruation. Dysmenorrhea may be primary or secondary. Primary dysmenorrhea is caused by specific ... [1 related articles]
Synonym for dysmenorrhoea ... difficult and painful menstruation ... (13 Nov 1997) ... 
(dis-men″ә-re´ә) painful menstruation with cramps in the lower abdomen. adj., dysmenorrhe´al., adj.
Painful menstruation which may be a sign of endometriosis.
painful menstruation
Dys·men`or·rhe'a noun [ Greek 
Type: Term Pronunciation: dis′men-ō-rē′ă Definitions: 1. Difficult and painful menstruation. Synonyms: menorrhalgia
Painful menstural periods with intense cramping pains that can be felt in the abdominal and back area. Synonym(s): Cramps Narrower term(s): Membranous Dysmenorrhea Primary Dysmenorrhea Secondary Dysmenorrhea
Painful menstruation.
Difficult and painful menstruation.
[n] - painful menstruation
dysmenorrhea Difficult and painful menstruation. Synonym: menorrhalgia.dysmenorrhea, dysmenorrhoea (British) 1. Difficult and painful menstruation. Synonym: menorrhalgia. 2. Pain in association with menstruation. One of the most frequent gynecological disorders, it is classified as primary or secondary. This disorder is the greatest single cause of absence from school and work among menstrual-age women.
noun painful menstruation
painful menstruation.
pain or discomfort experienced just before or during a menstrual period.
Painful menstruation.