There are many variations in breast forms and sizes. The shape of a woman's boobs might vary depending on a variety of factors, including her genes, body fat, age, etc.
In this form, there is little to no space between the two boobs. They lay closer to your chest's midline.
This type of boobs has a little tip at the nipple and is round and plump. It is regarded as the "standard" and most typical kind of breast.
Round boobs are entirely circular and equal on the bottom and top of the breasts.
If there is a small distance between your breasts, your breasts are said to be side set. Your breast type would be best suited by a front-close bra that tightens in the front.
Athletic boobs are wider and have a muscular appearance with less breast tissue or volume up top.
These are rounder and fuller towards the bottom and have a thin, narrow top. Typically, ladies with larger breasts have this form.
The tissue in pear-shaped diamonds is slightly less dense at the top and fuller at the bottom.