4 ms·

One of the major flaws of this study from what I can tell is that it is quite literally prone to survivorship bias. By strictly looking at successful first birt

One of the major flaws of this study from what I can tell is that it is quite literally prone to survivorship bias. 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. To me, this seems like they had a given outcome they wanted to prove and then worked backwards from there.

AmericanChopper 3y ago
> 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;…