Please select the eligibility criteria that correspond to the clinical trial below.
Title: N/A
Brief Summary: The purpose of this study is to assess the safety and efficacy of CDB-2914 in comparison to levonorgestrel for preventing pregnancy up to 5 days after unprotected sexual intercourse.


Options:
A: Inclusion Criteria:

* All women who delivers in the obstetric intent to breast-feed.
* Eligible participants should have been planning of birth spacing

Exclusion Criteria:

* Women refusal to participate in the study
* Women planned to use a method of contraception other than LAM
* Anticipation of difficulty of subsequent communication with the woman
B: Inclusion Criteria:

* women 16 or older in UK(except Northern Ireland) sites, 17 years or more in Northern Ireland (UK) and 18 years or more in Ireland and US
* present within 120 hours of unprotected intercourse
* regular menstrual cycles
* No current use of hormonal contraception
* Willing to not use hormonal methods of contraception until study completion
* At least one complete menstrual cycle (2 menses) post miscarriage, delivery or abortion
* For women who present more than 72 hours after intercourse, decline the insertion of an Intra Uterine Device for emergency contraception
* Able to provide informed consent
* Willing to abstain from further acts of unprotected intercourse until study completion

Exclusion Criteria:

* One or more acts of unprotected intercourse more than 120 hours
* current or recent use of hormonal methods of contraception
* currently pregnant or breastfeeding
* tubal ligation or current use of IUD
* Use of hormonal emergency contraception since last menstrual period
* Current use of IUD
* Tubal ligation
* Partner with a vasectomy
* Unsure about the date of the last menstrual period
* Severe asthma insufficiently controlled by oral glucocorticoid
* Hypersensitivity to the active substance levonorgestrel or any of the excipients of the drug products used in the study
C: Inclusion Criteria:1. Between 18-35 years old

2. In need of EC (had unprotected intercourse within 120 hours - 5 days)

3. Desire to prevent pregnancy for 1 year

4. Fluent in English and/or Spanish

5. Have a regular menstrual cycle (24-35 days)

6. Know their last menstrual period (+/-3 days)

7. Be willing to comply with the study requirements

8. Participants current preferred phone number must be functioning at the time of study entry and will be tested prior to enrollment

-

Exclusion Criteria:

* 1. Current pregnancy

  2. Breastfeeding

  3. Intrauterine infection within the past 3 months

  4. Sterilization

  5. Already have an IUD or contraceptive implant (Implanon) in place

  6. Vaginal bleeding of unknown etiology

  7. Known Gonorrhea or Chlamydia infection in the last 30 days (unless successfully treated at least 7 days prior to study entry)

  8. Allergy to LNG (for LNG IUD patients)

  9. Allergy to copper or Wilson's disease (for Copper IUD patients)

  10. Known abnormalities of the uterus that distort the uterine cavity
D: Inclusion Criteria

* Sexual intercourse with a male partner at least twice in the month prior to study entry
* Does not desire pregnancy within 1 year of study entry
* 6 weeks since the end of her last pregnancy and has had at least one menstrual period since resolution of her last pregnancy
* Literate in English or Spanish

Exclusion Criteria

* Surgically sterilized or intends to become sterilized within 1 year of study entry
* Intrauterine device or a hormonal implant in place or intends to have one inserted within 1 year of study entry
* Received an injection of a long-term contraceptive hormone (such as depot-medroxyprogesterone acetate) within 6 months of study entry or intends to receive one within 1 year of study entry
* Intends to use Lunelle, the vaginal contraceptive ring, or the contraceptive patch for contraception within 1 year of study entry
* Intends to use partners' vasectomy as her method of contraception within 1 year of study entry
* Pregnant or breastfeeding
* Known or suspected infertility
* Previously participated in this study
* Planning to move out of the study area within 1 year of study entry
* Currently participating in another research study that would interfere with the conduct of this study

Answer: B