Especially during the first few months after birth, babies tend to like the secure warmth that possibly reminds them of their time in the womb. (newmomstuff.com)
Babies have relatively weak neck muscles and can't control their heads during the first few months after birth. (mayoclinic.org)
Many new moms find that they lose a lot of hair in the first few months after giving birth. (babygaga.com)