I would rather focus on eliminating the societal conditions under which ethnic outbreeding is considered necessary. In a healthily homogenous nation, unsustainable levels of population growth would be discouraged, and homosexuality might even be a benefit when it isn't culturally ascendant as part of the woke agenda. The least of your concerns will be lesbianism if greater factors like mass immigration aren't ended, which at its root is demanded by globalistic, corporatized economies and the tireless pursuit of profit.

Besides that, you would need to terrorize homosexual women into heterosexual marriages, which is abhorrently dehumanizing and wouldn't lead to a happy, cohesive family unit. Likewise for outlandish ideas such as baby-making factories. Any society taking such drastic measures probably deserves to have its systems torn down and leadership removed. At best, I would support a cultural shift away from the trendiness of alternative lifestyles, which can ensnare actual heterosexuals into dabbling during early adulthood and wasting their fertile years. Families aren't fashionable or affordable, and that's what needs to realistically change.