Estrogen

Any of a group of steroid hormones which promote the development and maintenance of female characteristics of the body. Such hormones are also produced artificially for use in oral contraceptives or to treat menopausal and menstrual disorders.

Endoscopy

A procedure in which an instrument is introduced into the body to give a view of its internal parts.

Echocardiography

The use of ultrasound waves to investigate the action of the heart.

EnglishGerman