AGENT FOR CONTROLLING LABOR PAIN, AND AGENT FOR PREVENTING OR INHIBITING PREMATURE BIRTH

摘要

Disclosed are an agent for controlling labor pain and an agent for preventing or inhibiting premature birth, each of which comprises a protein incapable of passing through a placenta, particularly human placental leucineaminopeptidase (P-LAP) as an active ingredient.  The agents can be administered to pregnant women to extend the period between pregnancy and childbirth.