Discontinue use if hypersensitivity reaction is suspected. Not advised in women w/ severe allergic conditions. Anaphylaxis (including anaphylactic shock), angioedema, & urticaria. Ovarian hyperstimulation syndrome (OHSS) during or following ovarian stimulation; symptomatically treat w/ rest, IV infusion of electrolyte soln or colloids & heparin. Increased incidence of ectopic pregnancies in infertile women w/ tubal abnormalities undergoing assisted reproduction particularly IVF; congenital malformations after ART. Women weighing <50 kg or >90 kg.