Please select the eligibility criteria that correspond to the clinical trial below.
Title: The Clinical Results After Frozen-thawed Healthy Blastocyst Transfer in Natural Cycle Versus Cycle With Endometrial Preparation
Brief Summary: This study evaluates the difference in pregnancy rate transferring a healthy blastocyst in natural or artificial cycle.


Options:
A: Inclusion Criteria:

* regular normo-ovulatory cycles (28 to 35 days)
* age \< 38 years,
* body mass index (BMI) between 18 and 30
* first or second IVF/ICSI attempt

Exclusion Criteria:

* high basal levels of serum FSH or E2,
* less than 5 follicles at the antral follicular count performed on day 3 of a spontaneous cycle,
* history of high (\>20 oocytes) or low (\< 5 oocytes) ovarian response in a previous IVF attempt
B: Inclusion Criteria:

* 1st or 2nd IVF cycle
* BMI \<30 kg/m2
* regular menstrual cycles
* basal FSH \<10IU and E2 \<60pg/mL

Exclusion Criteria:

* polycystic ovaries
* endometriosis
* previous ovarian surgery
* previous low ovarian response
C: Inclusion Criteria:

* frozen-thawed healthy blastocyst

Exclusion Criteria:

* post thawed not survival healthy blastocyst
D: Inclusion Criteria:

* Females of couples with an indication for Controlled Ovarian Stimulation (COS) and in-vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI);
* \>=18 and \<=36 years of age at the time of signing informed consent;
* Body weight \> 60 and \<=90 kg and body mass index (BMI) \>=18 and \<=32 kg/m\^2;
* Normal menstrual cycle length: 24-35 days;
* Availability of ejaculatory sperm (use of donated and/or cryopreserved sperm is allowed);
* Willing and able to sign informed consent.

Exclusion Criteria:

* History of/or any current (treated) endocrine abnormality;
* History of ovarian hyper-response or ovarian hyperstimulation syndrome

(OHSS);

* History of/or current polycystic ovary syndrome (PCOS);
* More than 20 basal antral follicles \<11 mm (both ovaries combined) as measured on ultrasound scan (USS) in the early follicular phase (menstrual cycle day 2-5);
* Less than 2 ovaries or any other ovarian abnormality (including endometrioma \> 10 mm; visible on USS);
* Presence of unilateral or bilateral hydrosalphinx (visible on USS);
* Presence of any clinically relevant pathology affecting the uterine cavity or fibroids \>=5 cm;
* More than three unsuccessful IVF cycles since the last established ongoing pregnancy (if applicable);
* History of non- or low ovarian response to FSH/ human menopausal gonadotropin (hMG) treatment;
* History of recurrent miscarriage (3 or more, even when unexplained);
* FSH \> 12 IU/L or LH \> 12 IU/L as measured by the local laboratory (sample taken during the early follicular phase: menstrual cycle day 2-5);
* Any clinically relevant abnormal laboratory value based on a sample taken during the screening phase;
* Contraindications for the use of gonadotropins (e.g. tumors, pregnancy/lactation, undiagnosed vaginal bleeding, hypersensitivity, ovarian cysts);
* Recent history of/or current epilepsy, human immunodeficiency virus (HIV) infection, diabetes, cardiovascular, gastro-intestinal, hepatic, renal or pulmonary disease;
* Abnormal karyotyping of the patient or her partner (if karyotyping is performed);
* Smoking more than 5 cigarettes per day;
* History or presence of alcohol or drug abuse within 12 months prior to signing informed consent;
* Previous use of Org 36286;
* Use of hormonal preparations within 1 month prior to randomization;
* Hypersensitivity to any of the concomitant medication prescribed as part of the treatment regimen in this protocol;
* Administration of investigational drugs within three months prior to signing informed consent.

Answer: C