I am trying to get pregnant

So twins run in my family my doctor said according to the way my family genes go I should be next in line for twins or even triplets and if I had up with triplets and they boys I was thinking Sam, dean, and cass from supernatural. Or if it’s twins boy Sam and dean. Girls names are Emma rose and renemsee, and civil. And I need tips on how to help myself get pregnant I am coming off the shot it was my first shot in a year and I am taking prenatal meds and I have gotten pregnant on birth control before I was pregnant with Avery Lee Hendon. I need prayers love and support guys.