Some women may experience side effects such as gastrointestinal disturbances, changes in appetite or weight, fluid retention, edema, acne, chloasma (melasma), allergic skin rashes, urticaria, mental depression, breast changes including discomfort or occasionally gynecomastia, changes in libido, hair loss, hirsutism, fatigue, drowsiness, insomnia, fever, headache, premenstrual syndrome-like symptoms, altered menstrual cycles or irregular menstrual bleeding, anaphylaxis or anaphylactoid reaction (rarely) and injection site reactions. Alterations in serum lipid profile may occur, and rarely alterations in liver functions test and jaundice.