Was Operated For Multiple Fibroid In Uterus. Try For Pregnancy?

hello ma m. i was operated for multiple fibroid in uetrus more than a year back. after successful removal of fibroids i was suggested for 7 months rest n then try for normal pregnancy. with regular medical consultation, we tried at the scheduled time n now i m pregnant for last 3 months. my last period date was on june 4th, 2012. since 19th of july i m administered hcg injection per week as well as progesterone tablet everyday. my question is until when i should be taking weekly hcg injections? secondly, even when i m taking progesterone tablet every day, should i be given weekly proluton depot injections? kidly help with this. thank u.