RETRACTED ARTICLE: Combined metformin and clomiphene citrate versus highly purified FSH for ovulation induction in clomiphene-resistant PCOS women: a randomised controlled trial

Combined metformin-CC resulted in modest ovulation and pregnancy rates without side effects. It is logical to offer this first for CC-resistant PCOS women before resorting to more expensive alternatives especially in developing communities where economic aspects of therapy are important.