What I do think would happen is that marriage might become less attractive for heterosexual couples.

The main problem: 44% of heterosexual couples wait too long to use condoms.

The state hoped to place Bert with a heterosexual couple.

But he accepted the second reason, that children are better off with married heterosexual couples.

Our best friends, a heterosexual couple, just had their first baby this morning and we are in the process of adopting.

From then on, they sleep in the same bed and begin acting like a heterosexual married couple.

A heterosexual couple, a man and woman in an intimate relationship, form the core of a nuclear family.

But in practice, heterosexual couples have replacement children all the time.