This is when the uterus sheds its lining, which is accompanied by blood. Between the time the breasts begin to develop and menarche, a girl will likely have a significant growth spurt, gaining several inches in height (as much as 4 or more inches (10.2 centimeters) in a year) [source:...
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It is also normal for your periods to be irregular at first, but they will become more regular as you get older.[18] Be sure to change your pad or tampon regularly (at least once every four hours). Tampons can cause a serious medical condition called Toxic Shock Syndrome (TSS) if ...
The bench press is a great way to get muscles in your chest and arms, but you don't want to immediately start to use one after you arrive at the gym. Your body is basically a complicated machine like a car: if you try to operate it without...
A common middle- and high-school female dilemma: bring a purse to the bathroom or discreetly tuck a tampon in your pocket? ©iStockphoto/Tootles Puberty in a girl is generally considered to start when she has her firstmenstrual period, also calledmenarche. This is a good marker to use ...