Lesbian infertility is self-inflicted. Why should I have to pay for that?
Moreover, even if they were infertile, IVF does nothing to treat or cure infertility. The World Health Organization defines infertility as the inability of a sexually active, non-contracepting couple to achieve pregnancy via intercourse in one year.
IVF does nothing to help a couple achieve pregnancy via intercourse. It does not address the underlying problem.