🏷️Even Temperature.

One of the most common healthy breast signs is indicated by the temperature. Your breast temperature should be at approximately the same temperature as the rest of the parts of your body. The reason behind this is simple. When the body is in a healthy state, blood circulation is normal. Blood circulation maintains a consistent temperature throughout your body, including your breast.

If you notice any sudden and unnatural change in your breast temperature, then you must report it to your doctor. Though sometimes this may happen due to any kind of inflammation in your breast area, it is better to consult a doctor once you feel any unnatural warmth in your breast. Generally, your breast maintains the same temperature as your body which is a healthy sign.

🏷️Look the Same.

To put it in simple words, breasts maintain a similar appearance throughout your life. Healthy breasts are noticed to maintain relatively the same texture and appearance throughout. Though certain changes may pop up in your breast at times, the appearance of the breast never changes suddenly. An easy way to monitor this is to observe yourself over in the mirror at least once a day. It is better to implement this in your daily life.

🏷️Regular Armpits.

Breast health is often related to your armpits. If there is any infection in your breast skin, then tenderness or swelling appears in your armpits. You may also feel lumps under your armpits in case of any skin infection near the breast.

Most people don’t notice their armpits much. Sometimes, you can’t even really feel if there is any slight swelling there. Therefore, you should keep a check on any kind of swelling near your armpit – it may be related to signs of unhealthy breasts.

🏷️Pain-Free Breasts.

Many women feel pain in their breasts before or after their periods. This pain is normal.

One should be worried about non-cyclic mastalgia, this refers to pain in a particular spot of your breast which is a serious issue.

Sources - https://www.healthkart.com/connect/healthy-breast-signs-you-should-be-aware-of/