Maybe u r referring to puberty, or menarche?
Estrogen is necessary for breast development and menstruation.
Obesity and steriods are a big cause in male breast development.
yes it can
Hormones in puberty.
No. Sleeping front, back, sideways, or up side down does nothing for breast development. The only thing that affects it is your hormones.
It will not affect breast development but it might be uncomfortable.
No, hormones in your body do that.
Breast cancer is caused by cells that lose control over how fast they replicate. Cancer cells divide quickly and rapidly, and they can invade surrounding tissues. Cancer cells can also travel to lymph nodes and to other sites in the body.
Menstruation and breast growth aren't really connected. Everyone develops differently. Menarche (first period) and breast development are both just part of puberty, everyone develops differently so some women may see a lot of breast development before menarche, whereas others may see no breast development until their late teens or even early twenties. Breast development typically occurs during your teens as you go through puberty, into your twenties fat distribution in your body changes which can result in increased breast size, and even into adulthood breast size can change with hormonal changes, weight changes, pregnancy, and breastfeeding.
Yes, all women have once breast larger than the other and many have a considerable difference.Human beings are not perfectly symmetrical and breast development doesn't occur in both breasts at the same time. Teens may notice one breast will grow a lot more before the other or that they breasts will almost take turns to grow. There are various factors that can effect if breasts are different sizes, another common cause aside from development is lopsided breast feeding.
Endchrome
breast development and hair growth