Packing a newborn's clothing set for the hospital is an essential task for expectant mothers, ideally done during the third trimester to prepare for any early arrivals. Key items to include are hospital documents, toiletries, homecoming outfits, nursing bras, absorbent pads, and crucial baby clothing such as onesies, blankets, gowns, diapers, wipes, mittens, pants, socks, and an infant car seat. While hospitals do provide some clothing for newborns, having your own ensures you have all the ne