Why Are so Many Babies Born around 8:00 A.M.?
Data visualization engineer Zan Armstrong takes a close look at human birth patterns.
By Zan Armstrong
How a baby is born affects when a baby is born
In the U.S., 32 percent of births are C-section surgeries, another 18 percent are the result of induced labors and 50 percent are “natural” (vaginal deliveries without induction). If we break down the data by the method of delivery, we see a distinct rhythm for each type of delivery method. Together, these three intersecting patterns create the overall minute-per-day pattern we see: fewer births at night, a huge spike in the morning and a broader afternoon bump.
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| Credit: Nadieh Bremer and Zan Armstrong; SOURCE: Centers for Disease Control and Prevention |
For the 50 percent of babies born without intervention, we see a night/day pattern. Roughly 20 to 30 percent more babies are born per minute between 6:45 A.M. and 6 P.M. than during the night.
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