Breast and Nipple Masses or "Lumps"
Breast and nipple masses or “lumps” can occur during pregnancy and lactation, either related to lactation change/complications or independently. There is a wide variety of causes that are discussed in articles below. Breastfeeding is safe with nipple and breast lumps.
Resources for Breast and Nipple Masses or "Lumps"
Complete Topic List
- Bad Feeling with Letdown (DMER)
- Be Present and Avoid Apps
- Birth Control and Breastfeeding
- Biting
- Blebs
- Blood in Diapers
- Blood Streaks in Poop and Oversupply
- Bloody Nipple Discharge
- Bloody Milk
- Bottle Feeding to Get Baby to Sleep Longer
- Bottle Nipples
- Bras
- BRCA and Breastfeeding
- Breast Augmentation (Implants)
- Breastfeeding Basics
- Breast Cancer and Breastfeeding
- Breast Cancer during Pregnancy
- Breast Cancer while Breastfeeding
- Breast Growth
- Breast Lump
- Breast Masses and Conditions
- Breast Reductions
- Breast Surgery or Breast Biopsy
- Breastfeeding and Previous Breast Cancer Treatment
- Breastfeeding Supply List
- Breastfeeding While Pregnant or Undergoing IVF
- Breastmilk Content and Volume
- Breastmilk Research
- Burns on Breast
- Burping
- Calories in Breastmilk
- Cancer Screening during Pregnancy and Lactation
- Choking and Gasping at Breast
- Chronic Diseases
- Chronic Disease or New Onset Illness Impacting Milk Production
- Cleft Palate, Down Syndrome, Other Congenital Conditions
- Clicking
- Clumps In Milk
- Cluster Feeding
- Colic
- Colostrum
- Comfort Feeding
- Conceiving and/or Pregnancy While Breastfeeding
- Cries the Minute We Put Baby Down
- Cries While Feeding
- Cysts
- Galactocele
- Gassy Baby, More at Night
- Gender Affirming Surgery
- General Considerations for Plastic Surgery and Breastfeeding
- General Infant Concerns
- Gigantomastia
- Good Moms Have Scary Thoughts
- Granuloma Annulare
- Granulomatous Mastitis
- Mastitis Granulomatosa Idiopathic – Spanish
- Green Poop and Oversupply
- Growth Curves
- Growth Spurts
- Hair Loss Postpartum
- Hamartoma
- Hand Expression
- Health History and Medications
- Hidradenitis Suppurativa
- “High Lipase” Milk
- “Hindmilk and Foremilk Imbalance” and Baby Weight Gain
- Hives and PUPPP
- Home Scales
- Hospital Or Birthing Center
- Hyperlactation
- Hyperlactation (Oversupply) and Breastfeeding Stools
- Hyperkeratosis (“Warty Nipple”)
- Idiopathic Granulomatous Mastitis (IGM or GM)
- Mastitis Granulomatosa Idiopathic – Spanish
- If You Feel Silly Doing It…
- If You Have an Older Child at Home
- Increasing Production
- Induced Lactation
- Infant Allergies
- Infant Loss
- Infant Needing Surgery
- Infant Questions
- Inflammatory Breast Cancer Versus Engorgement
- Injectables and Herbs
- “Insufficient Glandular Tissue”
- Inverted Nipples
- Iron
- Irritable Breast Syndrome (IBrS)
- Is Baby Getting Enough?
- Labor
- Lactating Adenoma
- Lactational Amenorrhea Method (LAM)
- Lactogenesis I: You May Notice Colostrum Production
- Lactiferous Sinuses
- Latch
- Latch and Position
- Leiomyoma
- Letdowns
- Lichenification
- Likes to Be Held
- “Lipstick” Nipple Shape
- Long Feeds
- Lopsided Breasts
- Loud Baby/Baby Noise
- Low Supply
- “Low Supply”: Continued Early Supplementation
- Lymph Nodes
- Lymphedema
- Male Breast Cancer
- Marijuana, Other Recreational Drugs, and Breastfeeding
- Massage
- Mastitis
- Mastitis Granulomatosa Idiopathic – Spanish
- Maternal Health and Illness
- Maternal Questions
- Milk after Weaning
- “Milk Coming In” and Engorgement
- Milk Fistula
- Milk Stasis
- Mondor’s Disease
- Montgomery Glands
- Mood and Anxiety Disorders in Pregnancy
- Mucous Poop and Oversupply
- Mythbusters
- Paget’s Disease
- Pain
- Pain During Breastfeeding
- Pelvic Pain and/or Incontinence
- Periductal Mastitis
- Period/Menstruation Returning
- Pets
- Phlegmon
- Placental Encapsulation
- Plastic Surgery
- “Plugs”
- Poland Syndrome
- Poop Transition After Birth
- Pooping After Childbirth
- Position and Latch: It’s All About the POSITION!
- Postpartum Mom
- Pregnancy and Birth
- Prenatal Breastfeeding Education
- Prenatal Breastfeeding Support
- Probiotics
- Psoriasis
- Pulling Off Breast
- Pump and Dump
- Pumping
- Pumping for Engorgement
- Pumping for 24 Hours
- Sebaceous Cyst
- Seborrheic Keratoses
- Self-Weaning
- Sex Postpartum
- Sick or Hospitalized Infant
- 6 Weeks to 6 Months
- Sleep
- Sleep Training
- Sleeping Through The Night
- Sleepy Baby
- Short Feeds
- Silicone Breast Implant Rupture and Silicone Breast Injections
- Six Months to One Year
- Sleep Regression
- Sleep Training
- Sleepy Baby
- Skin Tags
- Skin to Skin
- Smegma
- SNS (Supplemental Nursing System)
- Solids and Complementary Foods
- Spitting up Blood & Bloody Diapers
- Still Looking Pregnant
- Stop Bottle Nipples
- Stopping Milk Production
- Stretch Marks
- Substances of Abuse
- Surgery and Breastfeeding
- Surgery on Breast or Chest Wall/Lungs/Heart
- Surgical Procedures while Breastfeeding
- Surrogacy
- Swallowing
- Sweating
- Swelling Under Arm (Axillary Breast Tissue)
- Syringe Feeding
