Indemnity4 t1_ivqqk6g wrote
Reply to comment by Frogaar in In IVF treatment, when an embryo is donated to and carried by someone other than the biological mother, does the carrier have any impact on the child's genetics? by [deleted]
Cortisol is only one example of a potential stressor. We have no way to link that to any output.
A simpler example is nutrition. There is a famous study of pregnant mothers who were starving in 1944-45 (note: actually starving-to-death-starving, not just a little bit skinny). A pregnant person who is starving is more likely to produce babies that grow into short adults, plus those short adults also have short children (grandchild from the starving mother).
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