> By strictly looking at successful first births it's ignoring the flip side which is how many births were aborted for medically necessary reasons and/or how ma

> By strictly looking at successful first births it's ignoring the flip side which is how many births were aborted for medically necessary reasons and/or how many miscarriages took place. I think you should give it another read. > Moreover, unlike most previous studies, we (a) assess a large set of maternal, fetal, and infant outcomes and complications of labor and delivery, including CPD; (b) consider only medically necessary C-sections; (c) use age groups structured to reflect the average ages of first births in forager populations, comparing the age of 16–20 years with older and younger mothers; (d) include fetal deaths as well as infant deaths;…