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Female fertility begins to decline at an accelerated rate after the age of 35—however, more and more women are delaying having children for several reasons, including pursuing careers, having not found the right partner, and simply not being ready to have children. The age of first birth for women in developed countries is now near 28 and the birth rate in the USA is at an all time low.

By Joel Shurkin, 

Perhaps some day, 3D printers will be spitting out replacement organs made from your own DNA, and like 
