also didn't say all pregnant women, perhaps I should have said a pregnant woman supplementing folic acid, but I thought the point was clear.
No it really wasnt. As simply noone goes round telling people what to eat other than vegans
So no, it wouldn't happen. Anyone is free to take whatever supplements they like, who is going to tell them to stop it and get it from their diet instead? Only a GP when they can see supplementation is causing illness, and it does.
So, no, your point wasn't clear as its a false assertion.
Breast milk is the most readily absorbed and appropriately designed food for babies. Only after much protest have formula makers finally backed down and accepted they can't produce the same.
Naturally acquired nutrients are the best for our naturally evolved biological systems.
For instance, in having a low iron count during pregnancy one can take supplements (which bring further medical complications and further supplementation) or boost the diet. I added more iron and vit c rich foods to my diet which brings more health benefits than just adding iron tablets and without the issues.
If you want to talk about research (studies) vegans have been experimenting on themselves and their babies for years, and yes, there are cases where growth rates and failure to thrive is directly linked to trying to raise babies on vegan diets (see previous link).
We all need animal fat, lipids, they serve our cells, all our neurons. Again, the population over eating and being more obese is not a reason to conflate obesity and ill health with being omnivorous.
All people need to manage their diets sensibly, buy we are evolved to need animals fats, they are essential to our well being.
Many recent health issues as a result of eating low fat diets.
Developing babies needs high fat, high protein diets, very little need of vegetable matter