Add sugar to the baby’s milk
If they drank Coca-Cola, this should also be expected. Like the real milk wasn’t sweet enough already, moms from the late 19th century were encouraged to add an extra on the milk and let it dissolve.
Drink stout beer while pregnant
It was supposed to be loaded with iron, therefore great to maintain iron levels in pregnancy. While it would be great if this were true, in reality, drinking any alcoholic beverage while pregnant is not recommended.