Treatment of Hyperandrogenism Versus Insulin Resistance in Infertile Polycystic Ovary Syndrome (PCOS) Women

Couples Inclusion Criteria:

* Partner with sperm concentration of \>=14 million/mL in at least one ejaculate with motile sperm.
* Ability to have regular intercourse 2-3 times per week during the ovulation induction phase of study.
* At least one patent tube and normal uterine cavity as determined by sonohysterogram, hysterosalpingogram, or hysteroscopy/laparoscopy within the last 3 years, or confirmation of a intrauterine pregnancy within the past 2 years.
* No previous sterilization procedures(vasectomy, tubal ligation) that have been reversed.
* Wanting to seek pregnancy.

Inclusion Criteria:

* Chronic anovulation or oligomenorrhea defined as intermenstrual periods of \>= 45 days or a total of \<=8 periods per year.
* Hyperandrogenism will be an elevated total testosterone \>=50 ng/dL.
* Hirsutism determined by a modified Ferriman-Gallwey Score \>8.
* PCO on ultrasound (12 or more follicles measuring 2-9 mm in diameter).
* BMI \>=27 to \<=42.
* Normal EKG to rule out any abnormalities with the heart.

Exclusion Criteria:

* Current pregnancy.
* Patients on oral contraceptives, depo progestins, or hormonal implants.
* Patients with hyperprolactinemia defined as two prolactin levels at least one week apart \>30 ng/mL.
* Patients with known 21-hydroxylase deficiency by a fasting 17-hydroxyprogesterone (17-OHP) level \<2 ng/mL and ACTH stimulation test as needed, or other enzyme deficiency.
* Patients with menopausal FSH levels \>20 mIU/mL.
* Patients with uncorrected thyroid disease (TSH \<0.45 mIU/ML or \>4.5 mIU/ML).
* Patients diagnosed with Type1 or Type II diabetes.
* Patients with liver disease defined as AST or ALT \>2 times normal or total bilirubin \>2.5 mg/dL.
* Patients with renal disease defined as BUN \>30 mg/dL or serum creatinine \>1.4 mg/dL.
* Patients with significant anemia (Hemoglobin \<10 mg/dL).
* Patients with a history of deep venous thrombosis, pulmonary embolus, or cerebrovascular accident.
* Patients with known heart disease that is likely to be exacerbated by pregnancy.
* Patients with a history of , or suspected cervical carcinoma, endometrial carcinoma, or breast carcinoma. A normal PAP smear or reassuring colposcopy based on current ACOG guidelines will be required.
* Patient with current history of alcohol abuse.
* Patients enrolled simultaneously into other investigative studies.
* Patients taking other medications know to affect reproductive function or metabolism.
* Patients with a suspected adrenal or ovarian tumor secreting androgens.
* Patients with suspected Cushing's syndrome.
* Patients who have undergone a bariatric surgery procedure in the recent past (\<12 months).
* Patients with untreated poorly controlled hypertension defined as systolic blood pressure \>=150 mm Hg or average diastolic \>=100 mm Hg on three measurements obtained 5 minutes apart. If treated, average systolic blood pressure \>= 140 mm Hg or average diastolic \>= 90 mm Hg.
* Patients with medical conditions that represent contraindications to orlistat, OCP, clomiphene, and/or pregnancy.
* Patients currently participating in lifestyle intervention program (Weight Watchers, Atkins Diet, Curves) or lost more than 5% body weight within the last 6 months.