Clinical effect of letrozole in combination with metformin in the treatment of infertile women with polycystic ovary syndrome and the effects of insulin resistance and sex hormone levels
OBJECTIVE To investigate the clinical effect of letrozole in combination with metformin in the treatment of infertile women with clomiphene resistant polycystic ovary syndrome and the effects of insulin resistance and sex hormone levels.METHODS Ninety clomiphene resistant polycystic ovary syndrome(PCOS)patients with infertility were divided into two groups according to the random number table method in our hospital from May 2013 to June 2015.Patients in the control group(45 cases)were treated with oral admi...