But the very thought makes her shudder with horror.
Because when Toni terminated her pregnancy, she did so in the firm belief she was helping to save the planet.
"Having children is selfish. It’s all about maintaining your genetic line at the expense of the planet," says Toni, 35.
"Every person who is born uses more food, more water, more land, more fossil fuels, more trees and produces more rubbish, more pollution, more greenhouse gases, and adds to the problem of over-population."
"I didn’t like having a termination, but it would have been immoral to give birth to a child that I felt strongly would only be a burden to the world.
"I’ve never felt a twinge of guilt about what I did, and have honestly never wondered what might have been.