Low-dose Gonal-f® in Ovulation Induction

Inclusion Criteria: * Subjects eligible for ovulation induction treatment, where monofollicular development is the desired treatment outcome and the dose schedule outlined in the protocol is deemed appropriate * Premenopausal female subjects, aged between 18 and 37 years inclusive * Subjects desirous of pregnancy/willing to conceive * Subjects who are infertile due to chronic anovulation demonstrated by cycle duration of greater than 35 days. * Subjects who have been treated with clomifene citrate therapy, according to standard site practice, and have failed to ovulate and/or conceive * Subjects with follicle stimulating hormone (FSH) and prolactin (PRL) serum values within the normal range in the early follicular phase * Subjects with an overall total antral follicle count greater than 10 (of follicle size greater than or equal to 2 millimeter \[mm\] and less than 11 mm) (that is, total between both ovaries) * Subjects with at least one patent tube, as documented by recent (within 2 years before treatment assignment) hysterosalpingography (HSG) or hysterosalpingo contrast sonography (HyCoSy) * Subjects with normal uterine cavity, as documented by recent (within 2 years before treatment assignment) hysteroscopy, HSG or ultrasound scan * Subjects with body mass index (BMI) greater than 20 and less than or equal to 32 kilogram per square meter (kg/m\^2) (BMI is equal to body weight \[kilogram {kg}\] divided by Height \* Height \[square meter {m\^2}\]) * Subjects with negative …