Orgalutran treatment is not advised in women w/ severe allergic conditions. Ovarian hyperstimulation syndrome may occur during or following ovarian stimulation. Incidence of ectopic pregnancies might be increased in infertile women undergoing assisted reproduction. Incidence of congenital malformations after ART may be slightly higher than after spontaneous conceptions. Safety & efficacy have not been established in women weighing <50 kg or >90 kg.