A3. Some effective techniques for soothing a fussy newborn include swaddling them snugly in a blanket, offering gentle rhythmic motion such as rocking or swaying, providing white noise or gentle music to mimic the womb environment, offering a pacifier for sucking comfort, giving a warm bath, gentle massage, or skin-to-skin contact, and ensuring their basic needs like hunger, tiredness, or discomfort are addressed promptly.