What are the risks of taking injectable gonadotropins?

Multiple Pregnancy: Injectable gonadotropins - fertility shots - brand names gonal f, (follitropin alfa) follistim, menopur, repronex, puregon, bravelle, etc are FSH and sometimes lh. Your brain makes these hormones already. Giving more hormone will encourage your body to make more than one egg at a time. The biggest risk from these drugs is multiple pregnancy. Multiple pregnancy is risky for mom and for babies.

Fertility med risks: Multiple pregnancies and ovarian hyperstimulation syndrome (ohss.) multiples constitute about 30% of pregnancies achieved on gonadotropins, most of these are twins. Ovarian hyperstimulation syndrome is an uncommon (but not rare) complication involving ovarian enlargement and fluid shifts in the body.