Preventive or remedy for intrauterine late embryonic development or pregnancy toxemia

摘要

The present invention provides agents for the prevention or treatment of intrauterine growth retardation or gestational toxicosis comprising as an active ingredient phenylethanolaminotetralin derivatives represented by the formula (I) or pharmaceutically acceptable salts thereof such as a sulfate salt thereof, which exert a remarkable improving effect on fetal weight loss and static gangrene in the tip of fetal extremities and a remarkable improving effect on elevation of maternal urinary protein and plasma triglyceride level with ease of anxiety on palpitation of dams or the like.