Kind of her to consider minimising your humiliation, but she needn’t have bothered - you’d be fine if she’d chosen a black guy instead, wouldn’t you..?
Don't let traditional morality stop you from doing what your body knows is natural and right. Instead of propagating weakness, give your offspring the best chance they deserve.
They mattered so much to her that she's now 7 months pregnant with a black baby growing inside her belly. But it's you who's going to take responsibility.