Hay naku, totally understandable na nag-worry ka! Yellow lungad in newborns ay actually common, lalo na around day 2-3 after birth, and most of the time it's just normal jaundice na mawawala lang on its own, but since baby mo pa lang bago, best talaga na i-mention mo agad sa pediatrician mo next check-up or call the clinic para ma-assess nila in person, because sometimes kailangan lang ng phototherapy or extra breastfeeding, at alam nila exactly what to do. A few of us moms nag-worry din dito before, and once na na-check ng doctor, napakagaan ng loob! Huwag mag-overthink muna, most babies go through this, but don't skip the doc visit ha, para sure ka na okay ang baby mo.