Surgery for benign breast disease does not impair future breastfeeding capability

October 03, 2020

CHICAGO: Young women with benign breast conditions may undergo surgery without jeopardizing their ability to breastfeed later on. One of the first studies to specifically evaluate the effects of surgery on breastfeeding outcomes and lactation capability reveals that more than 80 percent of young women successfully breast-fed or bottle-fed breast milk, including those with a history of a prior breast operation. Findings from the study were presented as a clinical poster at the virtual American College of Surgeons Clinical Congress 2020.

Benign breast conditions in women are common; nearly 1 million women each year are diagnosed with benign breast conditions in the U.S., and approximately 50 percent of women will have a benign breast lesion in their lifetime.1, 2 Many of these conditions are commonly managed with breast surgery. Other common breast procedures include reduction mammaplasty to treat macromastia (enlarged breast tissue) or augmentation for breast asymmetry or developmental breast conditions.

However, there is concern among breast surgeons about the potential for a surgical procedure that invades breast tissue to disturb the delicate subareolar complex and damage milk ducts or nerves 3,4 and interfere with a woman's future ability to breastfeed. (Such procedures include a minimally invasive procedure such as a diagnostic biopsy or a major surgery such as reduction mammaplasty.)

"Pediatricians and obstetrician-gynecologists who refer teenage patients for treatment of breast conditions, as well as parents, are concerned that surgery may impact breast development and eventual lactation," said Laura C. Nuzzi, BA, clinical research manager, Boston Children's Hospital, Boston, Mass.

Research about the relationship between breast surgery and later breastfeeding is limited. 3,5,6 "There have been some small cohort studies that examine breastfeeding after surgery for benign breast disease later on in life, but they don't ask these questions in adolescents and young women prior to having children," explained Shannon M. Malloy, BS, a clinical research associate in the Adolescent Breast Clinic at Boston Children's Hospital.

Researchers at Boston Children's Hospital studied the ability to breastfeed in eligible mothers between the ages of 18 and 45. The study compared breastfeeding capability among women who had been previously diagnosed and treated for a breast condition with those who had not.

Of the total 85 women in the study, 15 had a prior history of breast disease, including breast cysts, fibroadenoma (benign tumors), and macromastia (enlarged breasts). Sixteen women underwent breast surgery, including breast augmentation, reduction mammoplasty, and biopsy. Regardless of whether they had previous breast surgery or not, 80 percent of the women in the study were able to breastfeed or obtain breast milk for bottle feeding.

The researchers are continuing to study the relationship between prior benign breast surgery and future lactation and breastfeeding performance and hope to have more data in upcoming months. "We hope to augment the conclusions from this study that suggest plastic reconstructive surgeons, primary care practitioners, and any provider who comes in contact with women who have a benign breast condition can reassure them that an operation for a benign breast condition is safe and should not preclude them from enjoying the benefits of surgery for fear of impairing future breastfeeding satisfaction and lactation," Ms. Malloy said.

Young women in the study completed a survey that was developed by Boston Children's Hospital study team called the Mother and Infant Lactation Questionnaire (MILQ), which gathers information about the general health and well-being of mothers and their infants as well as the physical, socioeconomic, and emotional components of the breastfeeding experience. Some measures include maternal breastfeeding history, milk quality and quantity, challenges and barriers to breastfeeding, and breastfeeding initiation, duration, and satisfaction.

The survey is unique to the Adolescent Breast Center at Boston Children's Hospital. It was designed by the breast surgery research team, headed by Brian Labow, MD, FACS, director of the clinic and an associate professor of surgery, Harvard University School of Medicine.

The research team is disseminating the survey both within the hospital environment and in the greater community. They hope to validate the survey as an instrument for standardizing data capture related to lactation and barriers to having the best possible breastfeeding experience. With funding from the Plastic Surgery Foundation, the researchers plan to expand the use of the survey in the greater Boston area beginning fall 2020 to test its validity in racially and ethnically diverse populations.

"Our goal is to eventually validate the survey in a host of diverse populations. Once it's validated, we want to license the survey so providers can use it as a screening tool in their clinic and epidemiologists can use it for research purposes," Ms. Nuzzi said.
Other study authors include Catherine T. McNamara, BS; and Brian I. Labow, MD, FACS.

The authors have no disclosures to report.

"FACS" designates that a surgeon is a Fellow of the American College of Surgeons.

Citation: Breastfeeding Capability after Benign Breast Surgery. Poster Presentation. American College of Surgeons Clinical Congress 2020, October 3-7, 2020.

1 Callahan TL, Caughey AB.Blueprints: Obstetrics and Gynecology. 6th ed. Philadelphia: Lippincott Williams and Wilkins; 2013.

2 Figueroa JD, Pfeiffer RM, Brinton LA, et al. Standardized measures of lobular involution and subsequent breast cancer risk among women with benign breast disease: a nested case-control study. Breast Cancer Res Treat 2016;159(1):163-172 (.)

3 Santen RJ, Benign Breast Disease in Women, Last Update: May 25, 2018. Accessed September 15, 2020. Available at: (.)

4 Lakoma A, Kim ES. Minimally invasive surgical management of benign breast lesions. Gland Surg. 2014;3(2):142-148. doi:10.3978/j.issn.2227-684X.2014.04.01 (.)

5 Is it Possible to Breastfeed After Diagnostic Breast Surgery? BFAR. Available at: Accessed September 17, 2020 (.)

6 Stachs A, Stubert J, Reimer T, Hartmann S. Benign Breast Disease in Women. Dtsch Arztebl Int. 2019;116(33-34):565-574. doi:10.3238/arztebl.2019.0565 (.)

7 Breast Surgery. Centers for Disease Control and Prevention. Available at: Accessed September 17, 2020.

About the American College of Surgeons

The American College of Surgeons is a scientific and educational organization of surgeons that was founded in 1913 to raise the standards of surgical practice and improve the quality of care for all surgical patients. The College is dedicated to the ethical and competent practice of surgery. Its achievements have significantly influenced the course of scientific surgery in America and have established it as an important advocate for all surgical patients. The College has more than 82,000 members and is the largest organization of surgeons in the world. For more information, visit

American College of Surgeons

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