Newborn babies have very little control over their neck muscles, and as such can't support their own heads until the 4 to 6 month mark. Until then, you'll need to ensure that you're supporting their head every time you pick them up. Holding a baby under their armpits doesn't provide any support for their head and neck, which can mean breathing problems and even injuries in some cases. Instead, if you want to look at your baby's face, try the face to face hold: just hold baby slightly away from you, with one hand supporting their head and neck and one holding up their bottom!