Aww, congrats sa incoming baby! For first aid kit, I'd suggest having thermometer, saline solution, soft gauze, diaper rash cream, and antibiotic ointment ready, a few of us kept ours in a small container by the changing table para madaling makuha when needed. Honestly, the basics lang talaga ang kailangan mo starting out, kaya don't stress too much about having everything perfect before baby arrives, you'll figure out what you really need as you go along!