No you start to grow vagina hair and your get breast development.
Having your period is the sign that means that you are starting your puberty. Puberty includes breast development, so your breast will start growing when you are having your period.
Estrogen is necessary for breast development and menstruation.
Obesity and steriods are a big cause in male breast development.
usually you start your period one too two years after breast development begins.
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 it can
No. Sleeping front, back, sideways, or up side down does nothing for breast development. The only thing that affects it is your hormones.
The truth is that it could start anywhere on your breast. But most of the times breast cancers start on your left breast and on outer and upper quadrant (if you divide breast in four parts by two perpendicular lines).
During pregnancy when do you start to get stretch marks on your breast?
It will not affect breast development but it might be uncomfortable.
No, hormones in your body do that.