Hi there I understand your concern and anxiety... In general multiple abortions causes cervical and endometrial damage which may lead to complications in future pregnancies like preterm labour, placenta previa etc..it depends upon the method abortion choosed as well.. As your history is quite short and it's difficult to suggest in forum like this.
Next Steps
I would suggest you to consult nearest obg specialist for clinical examination and investigations she/he will do the needful.