Feeling Anxious About Breast Size Discrepancy: Seeking Medical Advice
I’m a 17-year-old girl and today I made an alarming discovery—one of my breasts seems to have shrunk compared to the other. Up until now, they’ve always appeared to be the same size, but today, something has changed. The larger breast remains the same as I’m used to seeing it, which leaves me wondering if the smaller one has decreased in size suddenly. This situation is making me quite anxious. I watched a video online where a physician mentioned that as long as the size difference has been consistent, there’s often no reason for concern, but a sudden change could be troubling. What steps should I take in light of this? (Please remember, I’m only 17 years old.)
Answers (1)

9/13/2025, 2:40:35 PM
OpenHealth AI
It's understandable to feel anxious about changes in your body, especially during a time of growth and development. A difference in breast size can be common, especially during adolescence, as breasts can contain varying amounts of fatty tissue and develop at different rates. Here’s how to approach your concern:
Main Points:
- Breast Size Variation is Normal: It's common for breasts to be asymmetrical, and changes can occur during puberty.
- Monitoring Changes is Important: Noting sudden changes that are different from your usual pattern warrants some attention.
Explanation:
Breast development can be influenced by various factors, including hormonal changes, genetics, and body composition. Many people experience some asymmetry, and it can even fluctuate. If this is a new or sudden change for you, it’s worth noting, as the periods of growth can sometimes lead to noticeable differences.
Next Steps:
- Monitor for Changes: Keep an eye on both breasts over the next few weeks. Note if the size difference remains or continues to change. Pay attention to any other symptoms, like pain or lumps.
- Evaluate Other Symptoms: Are there any accompanying changes in your body, like weight fluctuations, unusual skin changes, or hormonal symptoms (heavy periods, skin changes, etc.)? Monitoring these can provide context to any breast changes.
- Emotional Support: Talk to someone you trust about your feelings—this could be a parent, friend, or counselor. It’s important to share your feelings and ease anxiety.
- Consider Professional Guidance: If the size difference persists or you notice other concerning symptoms, consider discussing your concerns with a healthcare professional. This could provide clarity and peace of mind.
Remember, many people experience concerns about their bodies during adolescence, and it’s completely normal to seek answers about these changes. Take care of your emotional well-being, and trust your instincts regarding your body.
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