Antimullerian Hormone as an Indicator for Ovarian Response

Inclusion Criteria: 1. Age:20-40 years old 2. BMI:20-40kg/m 3. Normal baseline hormonal profile (on the 2nd day of the cycle) * FSH: 2.5-10.2mlU/ml * LH:1.9-12.5mlU/ml * Estradiol (E2): \<50pg/ml 4. No Endometriosis by laparoscopy 5. No prior ovarian surgery; overectomy, ovariectomy or oophrectomy 6. Female subjects who have at least 1 wash-out cycle (defined as greater than or equal to 30 days since the last dose of clomiphene citrate or gonadotrophin treatment) since the last ART cycle and/or clomiphene citrate or gonadotrophin treatment prior to starting gonadotrophin releasing hormone (GnRH) agonist therapy Exclusion Criteria: * 1\. Age: \<20 or \>40 years old 2. BMI: \<20 or \>40kg/m 3. Female subjects with any contraindication for pregnancy. 4. Female subjects with history of tumors of the hypothalamus \& pituitary gland. 5\. Female subjects with history of ovarian, uterine or mammary cancer. 6. Female subjects with history of hypersensitivity to the active substance of the medications used for ovarian stimulation. 7\. Abnormal baseline hormonal profile 8. Endometriosis by laparoscopy 9. Previous ovarian surgery; overectomy, ovariectomy or oophrectomy 10. Female subjects with abnormal gynecological bleeding of unknown etiology