I Am Taking Ecospirin 75 Mg From Preconception, Since I

I am taking ecospirin 75 mg from preconception, since I have miscarriage for first baby. Now I am 29 weeks pregnant. Doctor says my placenta is matured as like 34 weeks. But two weeks before doctor said my placenta were normal. Now doctor has given me Argipreg 6.5gm sachet to take twice a day. I am very much worried. Can u pls explain whether there is any risk factor for baby now or in future. If possible reply in simple english.