Reduces the incidence of PTD (Pre-term delivery) in Pluriparous (Producing several young at a single birth) women with a previous history of PTD or with recurrent abortion
Also in nulliparous (Never having given birth to a child) women with an actual risk; namely in the presence of a silent cervical shortening
Safe for the fetus when administered in the second and third trimesters
Blunts hypertension associated with RUPP (Reduction in uteroplacental perfusion)