This study is a prospective before & after clinical trial to compare the basal and 3 months after diet anti-mȕllerian hormone levels between responders and non-responders to weight loss diet in obese infertile women with PCOS population. The study population comprised of all obese infertile PCOS patients aged 20-40 years which underwent 3 months weight loss diet in Royan institute, Tehran Iran.
The study is conducted over 12 wk energy restriction. All subjects have the same dietary protocol. At baseline and 12 wks after the diet, the levels of AMH, FSH, LH, PRL, androgens, sex hormone–binding globulin (SHBG), glucose, and insulin are measured and free androgen index (FAI) and insulin resistance (IR) indices are calculated. The laboratory tests are determined by radioimmunoassays in the laboratory of endocrinology of Royan institute. AMH was measured in duplicate using an ultrasensitive ELISA kit (AMH-EIA; Beckman Coulter, Marseilles, France) according to manufacturer instructions. Patients based on response to diet and improvement are divided two groups) responder and non-responder (.Data analysis will be done through descriptive and perceptive statistical methods by using SPSS software version 16 for windows. Also, if the ART cycle is started for treatment of infertility, the cycle outcomes and pregnancy rate will be compared between two groups.