I Am 27 Year Old And I Am Married, Past

I am 27 year old and I am married, past few years back I was pregnant and was not happy with that because I was expecting a child at that time and took a tablet which can abort a baby . I had an abortion three times . And today even though we had a lot of conception I am not getting pregnant. So does this means I won't be able to get pregnant or do I have some chances again?