The study showed an 18 % reduced production of
a special type of hormone Leptin, which informs the brain that you don't need to eat more.
An androgen is
a special type of hormone that is able to act as a ligand (molecule that links to another molecule), it is these ligands that connect to androgen receptors (AR).
Apart from that, moms release
a special type of hormone named oxytocin that relaxes the mom and promotes better sleep.