Breast Buds

I have read that newborns (boys and girls) may secrete drops of milk from their nipples as a result of the hormones in their mother’s breast milk. My 3 week old baby girl has not produced drops of milk, but there are small lumps of tissue under her nipples that are fairly firm, almost like tiny developing breasts. Is this normal? How long do you expect that it might last?
Amy Obrist – Los Angeles, California

Breast Buds

Dr. Greene’s Answer:

Several times throughout childhood, Amy, there are situations where the past and future collide. No, not collide really. It’s more like a double-exposed photograph with the past, present, and future superimposed. I can remember seeing my children toddle across the family room wearing my loafers, many sizes too big. Conjured up in my mind is an image of myself as a toddler, tromping about in my dad’s shoes. While watching these scenes, one in my family room, one in my mind, I recognize that someday my children will really fill those shoes — perhaps with children of their own.

For me, breast buds in an infant is another one of those precious times. A burst of your hormones passed to your daughter shortly before delivery is one of the finishing touches in preparing her lungs to breathe air when she is born. These hormones include estrogen and androgens, and can have several transient side effects. Real, mature breast tissue forms, creating firm lumps under the nipples. Some babies even leak some real milk from their breasts. This is colorfully named witch’s milk, a term which captures the magic of the situation, but inappropriately attributes sinister and supernatural overtones to this natural wonder. Breast buds commonly occur in both boys and girls.

Many little girls may also develop a cloudy vaginal discharge. Some little girls will even have mini-periods — with blood appearing at the vagina during the first week as estrogen levels fall rapidly. Some boys and girls will have genitalia swollen by the hormones. Many boys and girls will have their first experience of acne, with real pimples appearing on the face and upper chest at around three weeks and lasting for three or four weeks. Sometimes this is severe enough to require treatment with a prescription baby form of benzoyl peroxide – similar to the common over-the-counter acne medicine used by many teens.

All of these changes disappear gradually, usually over the first several months of life, as your hormones and their effects vanish. Typically, the breast buds are the first to form and the last to go. Unless the breasts become red, hard, or warm (indicating possible mastitis, or breast infection), savor the weeks the firm lumps remain.

Budding breasts, a face full of pimples, and her first period are all visible reminders of a moment not long ago when she was still inside your uterus. They might even remind you that not terribly long ago, you were inside your own mother and receiving these same hormones. And these same little bumps are a glimpse of a future that seems so far away right now (especially on those sleepless nights), but will come all too soon — when your teenage daughter becomes a woman.

Cherish moments like this when they occur. It might be when she stands in front of a mirror putting on make up, or delights to play with a briefcase, or it might be her graduation from kindergarten. Notice those junctures where, for a fleeting moment, she looks grown-up — and appreciate the brief double-exposure of the future and the past.

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Dr. Alan Greene

Dr. Greene is the founder of DrGreene.com (cited by the AMA as “the pioneer physician Web site”), a practicing pediatrician, father of four, & author of Raising Baby Green & Feeding Baby Green. He appears frequently in the media including such venues as the The New York Times, the TODAY Show, Good Morning America, & the Dr. Oz Show.

  1. April Emily Smith

    My baby is about a week over a year and she still has breast buds should I be worried.

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  2. Alan Greene

    Normal breast buds can be reddish – but it’s also important to know that babies can get mastitis (an infection of the breast buds) that may first show up with redness.

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  3. Melonie

    Can breast buds be red?

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