Baby dust to us!!

So I had my child at 23 now i am 28 and working on my 2nd child but with a new SO he is all my child knows. He wants a child of his own and the pressure has been overwhelming. I have received threats that if we dnt have a baby soon this is the end of our 4 year relationship. I desperate to conceive but i only have one tube so i believe it would be hard to conceive.