An injectable is an injection in the arm or hip, like Depo (define depo?). It is effective for 1-3 months. It is important to receive these injections on time; return your health facility for another injection even if you are 2 weeks late. Irregular or no monthly bleeding during this time is not harmful. The injection may cause weight gain. Effective for 1-3 months. Get on time, return even if 2 weeks later. Irregular or no monthly bleeding not harmful. May gain weight. For married and singles. After stopping may take a few months to get pregnant. No infertility or pregnancy loss. Private and discrete.