Social services, not wealth per se, seem to be the key to lower birth rates. The Chinese, although among the poorest peoples of the world, have brought their fertility rate down to 2.4, partly by social coercion, but mostly by broadly available education, health care and family planning.
One argument against open systems is that they become open to everything, good and bad. Like a Richard Meier skyscraper, the anal retentive, Bauhaus elegance of the Mac does prevent the loose ends and confusion of a less sterile environment. But it also prevents fertility. Apple's development must come from within.
I've been on both sides: the victim and the villain. I was the victimised model, and everything from my weight to my fertility was held up for discussion. And then I was the person that could garner some kind of positive outcome, by taking on the role of vice chairman of the British Fashion Council and becoming an activist of body image.
Despite amazing advances in fertility to help older women get pregnant, the complications, increased chances of autism, and chromosomal abnormalities are significant considerations.
I entered my egg-freezing adventure from a feeling of lack - a lack of fertility, of the right partner, of biological time. But this perceived lack actually produced abundance - of options, time, peace of mind, and microscopic chances of a child.
I've always wanted, notionally, to be a mother. And I was certain I would be, because everyone I know, gay or straight, married or single, rich or not so much, who truly wants to have a child figures out a way, some way, to have one - whether through adoption, fostering, surrogacy, fertility, accident, or persistence.
In grownups, mercury can cause memory loss, tremors, vision loss and numbness of the fingers and toes. It can also adversely affect fertility and blood pressure regulation, and a growing body of evidence suggests that exposure to mercury may lead to heart disease.
The management of fertility is one of the most important functions of adulthood.