You can help make it a positive experience by helping your daughter know what to expect and reassuring her that some of the weirdness is actually normal! Remember that one side usually buds first as a hard, sometimes tender, knot under the areola. The other side will bud within a short time usually, but sometimes it takes up to 6 months. Shortly after breasts bud a sign of circulating estrogen , she will begin to have vaginal discharge also estrogen-driven. Vaginal discharge has an acidic pH that can cause irritation of the surrounding vulvar skin.