Inclusion Criteria:
Please Note: In this trial an Indian female participant is defined as a woman 1) with native Indian parents, and 2) who is also in possession of an Indian identification card.
* Indian woman with an indication for COS and IVF/ICSI, but has not yet undergone IVF/ICSI.
* Body mass index (BMI) of 18.0 to 32.0 kg/m2
* Regular spontaneous menstrual cycle (ie, a menstrual schedule that consistently occurs within a range of 24 to 35 days)
* Access to available ejaculatory sperm. Use of donated and/or cryopreserved sperm is allowed, however sperm obtained via surgical sperm retrieval is not allowed.
* Results documented as 'within normal limits' from clinical laboratory tests (ie, complete blood count \[CBC\], blood chemistries, and urinalysis).
* Normal cervical smear result obtained within 12 months prior to study enrollment, otherwise test will be performed during screening.
* Able to adhere to dose and study visit schedules
Exclusion Criteria:
\- Has a recent (ie, within 3 years prior to enrollment in study) history of/or
any active endocrine abnormality, treated or untreated.
* Contraindicated use of gonadotropins
* History of ovarian hyper-responsiveness
* History of/or current polycystic ovary syndrome (PCOS)
* Has less than 2 ovaries or has any other ovarian abnormality, including endometrioma (greater than 10 mm in size), and/or has unilateral or bilateral hydrosalpinx and/or intrauterine fibroids (5 cm in size or greater), confirmed by an ultrasound scan.
* Has any clinically relevant pathology that may impair embryo implantation or continuation of pregnancy.
* Experienced more than three unsuccessful COS cycles for IVF/ICSI since
the last established ongoing pregnancy, if applicable.
* History of non- or low ovarian response to FSH and/or Menopausal Gonadotropin (hMG) treatment.
* History of recurrent miscarriage (ie, 3 or more)
* Positive test results for Human Immunodeficiency Virus (HIV) or
Hepatitis B
* Recent history of/or current epilepsy, thrombophilia, diabetes, cardiovascular, gastro-intestinal, hepatic, renal or pulmonary or auto-immune disease, any of which required or requires treatment.
* Smokes or recently stopped smoking (ie, within 3 months of study enrollment)
* History of/or active alcohol and/or drug abuse (ie, within 12 months prior to study enrollment).
* Previous use of corifollitropin alfa
* Use of hormonal agents known to affect ovulation or any drug/agent considered to be teratogenic
* Use of any experimental drug within 3 months prior to study enrollment or participation in another clinical study, other than one that is survey-questionnaire based.