Pro 9 200mg Injection is a natural female hormone important for regulating ovulation (release of an egg from a woman's ovary) and menstruation. It helps restore menstrual cycles in women whose periods have stopped. It is also used in the treatment of infertility. Pro 9 200mg Injection is generally given by a healthcare professional and should not be self-administered at home. You should use Pro 9 200mg Injection as your doctor has advised. Do not use more or less than advised and do not use it for longer than recommended. You may be asked to continue taking this medicine for a period after you get pregnant.