Endometrial fluid

Fluid in the endometrial cavity can result from a number of causes if excessive and associated with distension.

Pathology

There are essentially three types of fluid:

• hydrometra: simple fluid
• hematometra: hemorrhagic content / clot
• pyometra: pus

Premenopausal

• normal (i.e. physiological)
• cervical stenosis
• imperforate hymen

Postmenopausal

Often a concern and some advocate the presence of echogenic fluid or an accompanying abnormal endometrial thickness as an indication for endometrial sampling .

Some authors suggest sampling if the surrounding endometrium is over 3 mm .

• cervical stenosis
• endometrial carcinoma
• endometrial hyperplasia
• endometrial polyp
• cervical polyp
• use of estrogen replacement therapy