They don't have to. The Dem party already has a stealth plan in place to do that. Its called Planned Parenthood and operates under the misleading assumptions that it promotes women's rights.
The founder of PP was none other than the leftisitl heroine Margaret Sanger. She was an enthusiastic follower of Malthusian eugenics. She promoted abortion among minority groups in order to selct out the "undesirables"