Ttc after two miscarriage and an ectopic pregnancy please help

Selena • Ttc after two miscarriage on with twins and one just with one. My other twin got stuck on my fallopian tube n had surgery. I suggest getting pregnant
Im ttc for about three years now , I had two miscarriage one in April of this year. The other miscarriage was 2 years ago with twin but one of my twins got stuck on my right fallopian tube and had emergency surgery to remove it . What can I do to get pregnant asap without surviving with more pain n worrying about losing my babies again help me please. Im taking PNV-DHA vitamins n folic acid as well . Anything you guys know of to help let me know. My husband and I we be glad