A Study to Explore Correlation Between Symptoms and Signs of Polycystic Ovarian Syndrome (PCOS) and Risk of Over-response to Ovarian Stimulation

Inclusion Criteria: * Female subjects aged 20 to 35 years (including both) * Subjects undergoing ART treatment with long GnRH-a protocol or GnRH-ant protocol + Gn + human chorionic gonadotropin (hCG) * Subject from whom a written informed consent has been obtained with the understanding that the subject may withdraw consent at any time without prejudice to future medical care Exclusion Criteria: * Subjects undergoing ART treatment with mild stimulation protocol * Concomitant use of Gonal-f® with clomiphene citrate * With an In vitro fertilisation (IVF)/ Intracytoplasmic sperm injection (ICSI) history of greater than or equal to (\>=) 3 times * Known history of poor ovarian response in a previous COS cycle for IVF/ICSI, defined as less than 4 oocytes retrieved or history of previous cycle cancellation prior to oocyte retrieval due to poor response or poor ovarian reserve, such as Antral follicle count (AFC) less than (\<) 5 to 7 * Presence of confirmed or suspected endometriosis Grade III - IV * Presence of unilateral or bilateral hydrosalpinx * Using other Gn during stimulation period (such as urinary FSH/human menopausal Gn, except for recombinant luteinizing hormone (r-LH)) * Known history of recurrent miscarriage * Any contradiction to Gn/GnRH analogues * Any major systemic disease that as per Investigator's discretion precludes subject for participation in the study * According to the judgment of the Investigator, any medical condition or any concomitant * surgery/ med…