I Am 35 Year Old And My Husband Is Also

I am 35 year old and my husband is also 35 years old we have 7 yr old daughter she was born by lscs at 38 weeks indication of lscs was nonprogress of labour after that I had three abortions in past three years one at six weeks and se was done and other two 16 weeks otherwise my all blood profiles are normal what can be the reason for this I need to consult