It’s Either the Best Time or the Worst Time to Have a Baby

This story is part of a week-long series on reproduction, from prenatal testing to childfree Reddit. Reproduction is messy. The genetic swaps and recombinations that occur when gametes merge don't always happen perfectly. Babies don't arrive when scheduled. Even preventing reproduction can be complicated, as anyone who has ever wrestled with birth control can attest. That said, it’s arguably a better time than ever to have a baby. Prospective parents struggling with infertility can turn to IVF, or sperm and egg donation. But as the egg donor industry grows more sophisticated, the donors themselves are sometimes kept in the dark. Once a person becomes pregnant, they can take advantage of the extraordinary advancements in noninvasive prenatal testing to screen for …