Please select the eligibility criteria that correspond to the clinical trial below.
Title: Phase 3, Placebo Controlled, Randomized, Double-blinded, Nonsteroidal Antiinflammatory Drug add-on Clinical Trial of Mono-phase Low Dose Oral Contraceptive Pill for Treatment of Primary Dysmenorrhea.
Brief Summary: The purpose of this study is to determine whether combination oral contraceptive pill of norethindrone and ethinyl estradiol is effective in the treatment of primary dysmenorrhea.


Options:
A: Inclusion Criteria:

* Healthy women ages 18-35 with a history of PD (onset \< 3 years after menarche).
* Subjects must have had regular (25-31 day) menstrual cycles for the three month period preceding enrollment, with symptoms of moderate to severe PD during those cycles.

Exclusion Criteria:

* Patients who have contraindications to OCP therapy.
* Known or suspected secondary dysmenorrhea (major abdominal or pelvic surgery, endometriosis, pelvic inflammatory disease (PID), ovarian cysts, pathological vaginal secretion, chronic abdominal pain, inflammatory bowel disease, irritable bowel syndrome).
* Concomitant treatment with oral contraceptives, GnRH agonists and antagonists, antiandrogens, gonadotropins, anti-obesity drugs.
* The use of contraceptive implants, injectable contraceptives or intrauterine devices. The washout period on all these medications will be 3 months.
* Migraines, depression requiring hospitalization or associated with suicidal ideation during previous estrogen or ocp use.
* Known or suspected hypersensitivity to trial drug.
* Patients enrolled simultaneously into other investigative studies that require meds.
B: Inclusion Criteria:

* must be nullipara patients with symptoms of severe primary dysmenorrhea.
* The characteristic of pain must be periodic (at least following 3 menstrual cycles),
* midline,
* lower abdominal cramps or pelvic colic like pain that starts up to one day before menses,
* lasts for the 3 days of bleeding,
* gradually diminishes over 12 to 72 hours,
* ends after period.
* The pain must start generally in 2 to 3 years after menarche with regular menses (25-31 day).

Exclusion Criteria:

* Patients with history of pelvic inflammatory diseases,
* endometriosis,
* ovarian cysts,
* chronic abdominal pain,
* fibroids,
* obstructive endometrial polyps,
* cervical stenosis,
* inflammatory bowel syndrome,
* irritable bowel syndrome,
* major abdominal or pelvic surgery,
* intrauterine device,
* congenital obstructive müllerian malformations.
* patients that OCP treatment was contraindicated
* patients enrolled simultaneously into other studies that require drug intake or otherwise prevent compliance with protocol.
C: Inclusion Criteria:

* Sexually active women, at risk for pregnancy and not planning to use condoms;
* Women in need for contraception and willing to use an oral contraceptive (OC) for 12 months (13 cycles);
* At least 18 but not older than 50 years of age at the time of screening;
* Body mass index \>=17 and \<=35;
* Good physical and mental health;
* Willing to give informed consent in writing.

Exclusion Criteria:

* Contraindications for contraceptive steroids
* In accordance with the Summary of Product Characteristics (SmPC)/Package Insert of DRSP-EE, additional contraindications related to the antimineralocorticoid activity of drospirenone (conditions that predispose to hyperkalemia):
* Renal insufficiency;
* Hepatic dysfunction;
* Adrenal insufficiency.
* An abnormal cervical smear (i.e.: dysplasia, cervical intraepithelial neoplasia \[CIN\], squamous intraepithelial lesion \[SIL\], carcinoma in situ, invasive carcinoma) at screening;
* Clinically relevant abnormal laboratory result at screening as judged by the investigator;
* Use of an injectable hormonal method of contraception; within 6 months of an injection with a 3-month duration, within 4 months of an injection with a 2-month duration, within 2 months of an injection with a 1-month duration;
* Before spontaneous menstruation has occurred following a delivery or abortion;
* Breastfeeding or within 2 months after stopping breastfeeding prior to the start of trial medication;
* Present use or use within 2 months prior to the start of the trial medication of the following drugs: phenytoin, barbiturates, primidone, carbamazepine, oxcarbazepine, topiramate, felbamate, rifampicin, nelfinavir, ritonavir, griseofulvin, ketoconazole, sex steroids (other than pre- and posttreatment contraceptive method) and herbal remedies containing Hypericum perforatum (St John's Wort);
* Administration of investigational drugs and/or participation in another clinical trial within 2 months prior to the start of the trial medication or during the trial period.
* Subjects with a diagnosis of the endometrial biopsy such as hyperplasia, atypical hyperplasia, carcinoma or any other abnormality judged clinically relevant by the investigator (This is applicable only for the subjects participating in the endometrial biopsy substudy).
D: Inclusion Criteria:

* primary dysmenorrhea

Exclusion Criteria:

* severe hepatopathy
* pregnant woman

Answer: D