The most common side effects of GONAL-F may include the following: Abdominal pain, Acne vulgaris, Acute respiratory distress syndrome, Anaphylaxis, Asthma, Atelectasis, Bruising at the injection site, Decreased libido, Diarrhea, Enlargement of abdomen, Fatigue, Flatulence, Gynecomastia, Headache, Hypersensitivity reaction, Inflammation at the injection site, Injection site reaction, Intermenstrual bleeding, Nausea, Nonimmune anaphylaxis, Ovarian cyst, Ovarian hyperstimulation syndrome, Ovarian neoplasm, Ovarian torsion, Ovary enlargement, Pain, Pain at the injection site, Pelvic discomfort, Pelvic pain, Seborrhea, Swelling at the injection site, Thromboembolism