Chapter Six is quite risque. Or Islamist.
Chapter 19 is weird. Or kinky. IMHO.
If you want to seek it out:
B'er Lechai, "Rules for the Breasteeding Woman, the Suckler and on the Milk" by Yitzhak Licitzin.
Studies in humans, monkeys and other mammals have found a variety of differences in both the content and the quantity of milk produced. Baby boys often get milk that is richer in fat or protein — and thus energy — while girls often get more milk overall. Rhesus monkeys, for instance, tend to produce more calcium in the milk they feed to daughters, who inherit social status from their mothers.