I Ve 2 Mis Carriage Within Last Two Months Consistently,last

I ve 2 mis carriage within last two months consistently,last pregnancy was of two weeks only dissolved naturally on 11 september 2016 there was no extra ordinary bleeding there so it stopped with in 7 days I went to my Dr. 20 sep 2016 and had a birth control injection for three months on 21 september 2016 after that on 23 of september 2016 , me and my husband had an unprotected under course I want
To know is it possible that I may again conceive even having birth control injection?