Well yes it should
I'm interested and will interest a lot of people on forums (incidentally it will bring women ... cool)!
I confirm the info on the IQ but I had no figure ... + 2 is little and a lot at the same time, it depends on where we start (log scale).
In fact it is in the logic of things ... I bet it also influences other things like resistance to diseases ... see psychology ...
Indeed, we know that a large part of adult life is played during the archaic life.
Archaic life is the moment between the birth and the beginning of the awareness of the child (which must correspond to the beginning of speech I think) ... am not a specialist either!
ps: ah ok for the mom, I don't really see the relationship with the uterus ...