Please select the eligibility criteria that correspond to the clinical trial below.
Title: Improving Contraceptive Effectiveness in Obese Women
Brief Summary: The main hypothesis for this study is that increased Body Mass Index (BMI) alters oral contraceptive metabolism in a manner which results in decreased effectiveness in obese women.


Options:
A: Inclusion Criteria:

* Age between 18 and 35 years (inclusive), in good general health and requesting contraception.
* Has regular menstrual cycles (length of cycle 21-35 days) (i.e., endogenous cyclicity without hormonal contraceptive use).

Exclusion Criteria:

* Known or suspected pregnancy or is lactating.
* History of ectopic pregnancies.
* Any genital infection (until successfully treated).
* Abnormal uterine bleeding of unknown origin.
B: Inclusion Criteria:

Healthy females

* 17(in states where the legal age of consent to receive contraceptives is 17)-40 years
* Regular, consistent menstrual cycles between 25 and 35 days
* Sexually active women requesting birth control
* In good general health, confirmed by medical history, physical (including gynecologic) examination and screening laboratory values

Exclusion Criteria:

* Known or suspected pregnancy;
* Lactating women
* Significant skin reaction to transdermal preparations or sensitivity to surgical / medical tape
* Any disease that may worsen under hormonal treatment (cardiovascular, liver, metabolic)
* Use of other contraceptive methods than study medication
C: Inclusion Criteria:

* Age 18-35
* BMI \> 30kg/m2
* Proof of a normal breast and pelvic exam within last 9 months
* Self reported normal menstrual periods (24-35 days)
* Good general health
* In the investigator's opinion, are subject's veins suitable the repeat blood draws dictated by study protocol
* Single progesterone level during screening visit ≥ 3ng/mL
* Hematocrit ≥ 36%

Exclusion Criteria:

* Contradictions to COCs (history of deep vein thrombosis,myocardial infection, uncontrolled hypertension, pulmonary embolus, diabetes with vascular changes, stroke, migraines with neurologic changes, breast cancer, impaired liver function, uncontrolled thyroid disease, hypersensitivity or allergy to birth control)
* Smoker (must smoke 0 cigarettes)
* Actively seeking/involved in a weight loss program
* Currently pregnant/seeking pregnancy in the next 6 months
* Currently breast-feeding
* Past or current diagnosis of polycystic ovarian disease
* Recent use of birth control (Depot medroxyprogesterone: 6 months, Progestin implants: 6 months, Oral contraceptives, patch or ring: 2 months, Hormone impregnated IUD: 6 months)
* Currently taking medication that interferes with COC's (Rifampin, Carbamazepine, St. John's Wort)
D: Inclusion Criteria:

* Aged 18-35
* Body Mass Index (BMI) 19-24.9 or 30-39.9 kg/m\^2
* Willing to take birth control pills for 3-4 months
* Recent spontaneous pregnancy or cyclic menses

Exclusion Criteria:

* Contraindications to hormonal contraceptives
* Oophorectomy/Polycystic ovary syndrome (PCOS)
* Taken oral contraceptives to regulate menses recently
* Weight reduction surgery
* Used Depo-Provera within the last 12 months
* Pregnant or currently breastfeeding
* Desiring pregnancy within the next 4 months
* Unable to make study visit commitment
* Previous participation in this study

Answer: C