Multifetal pregnancy: risks and methods of reduction.

Multifetal pregnancy reduction offers an acceptable option to patients faced with the significant risk of long-term morbidity associated with multifetal gestation, especially gestation involving 4 or more fetuses. Until advances in reproductive technology eliminate the iatrogenic occurrence of multifetal gestation, and until progress in perinatal care decreases the threat of preterm delivery, multifetal pregnancy reduction offers hope for a good outcome in an otherwise dismal situation.