When we think of side effects from the COVID vaccine, the first things that come to mind are fever, headaches, or fatigue. However, a 19-year-old woman experienced something that might seem impossible—her breasts grew.
Yes, you read that correctly. In just six months, her bust went from a B cup to a triple G (and yes, we didn’t even know that size existed), sparking a new level of concern over the increasingly strange effects attributed to the vaccine.
This unusual phenomenon caught the attention of several specialists, who set out to investigate whether there was a genuine link between the COVID vaccine and the unexpected increase in her breast size. Their findings have left many speechless.
Is the COVID Vaccine Causing Breast Growth?
The study, intriguingly titled “The Pfizer Breast Operation: A Case of Unexplained Gigantomastia,” revealed that the young woman showed no hormonal imbalances in her blood tests—ruling out an endocrine cause for her breast growth.
However, she did experience symptoms such as tingling and swelling in the area. These signs led doctors to conclude that the COVID vaccine might have, in some way, triggered a rare condition known as pseudoangiomatous stromal hyperplasia (PASH).
This condition causes benign growths in the breast tissue and has been detected in only about 200 people worldwide.
In her case, the growth was so extreme that she had to undergo surgery to reduce her bust, during which nearly 8 pounds of breast tissue were removed, leaving her with a double D cup.
Although the study could not prove that the COVID vaccine was the sole cause of her breast growth, some experts suggest that it might have been the result of an immune response or temporary inflammation of the lymph nodes, making the breasts appear larger than normal.
So far, this case remains a medical mystery. There is no evidence to suggest that this side effect is common. Instead of offering reassurance, it raises more questions than answers about the unexpected reactions some people might experience following vaccination.
This article was originally written in Spanish by Mariana Martell in Cultura Colectiva.
