It depends on your genetics. Most girls start between 11 and 15, there's really no cause for concern until you've reached your 16th Birthday without starting your period.
The first menstrual period is known as "menarche".
The first period
Hydrogen is located on the first period; the first row in the periodic table.
a first period can be painful but i will be just for 3 to 4 days
There are two elements in the first period, hydrogen and helium.
There were 10 dynasties in the first period of ancient Egypt. The end of the first period was when the 11th dynasty took over and that begun the second period of Egypt.
No. Xenon is not the first period of the periodic table. It is placed in the 5th period of periodic table.
There are no period predictors that can predict your first period - period predictors work by recording your past cycles to predict when your next period may be due, it can't pull a date out of thin air as to when your first period may start. The most anyone can tell you is that menarche (first period) normally occurrs within four years of starting puberty.
*zero period *first period *second period
yes usually it would resemble your first period
well the first couple years is irregular so when you first start you period it can last up to 3-15 days at the most. and about 24-28 days until your next period(:
The first three periods of the periodic table are called the first period, second period, and third period.