You can consider fertility drugs to get pregnant with twins using IVF procedure. Some of the fertility drugs used during IVF treatment are Follistim, Gonal-F, Bravelle and Menopur. Clomiphene and Gonadotropins are commonly used fertility drugs that can increase your chances of having twins in IVF treatment.
Twin pregnancy chances increase to a great extent with IVF procedure. Therefore, you can be in peace to some extent as opting for IVF procedure improves chances of twin pregnancy. I also wanted twin babies and fortunately with IVF, I could receive the happiness.