Oo, pwede na yan! At 3 weeks, side lying is totally safe and honestly, sobrang game-changer kung mahigal ang baby mo, marami sa amin na moms na ginagamit yan para makatulog kami nang kaunti habang nagfe-feed, hehe. Pero seryoso, kung mahirap sa inyo, best magcheck pa rin with your pedia or lactation consultant kasi bawat baby may sariling feeding style, at kung nag-arch pa rin siya in that position, baka may underlying concern na dapat i-assess ng expert, like latch issues or reflux. Good luck, mommy! Kayang-kaya mo yan.