The first period is known as menarche, the average age of menarche is 13 years old.
Anything between 10 years old and 16 years old is considered normal too.
Yes, or right before their period.
Females reach sexual maturity at around 4 to 5 years of age, while males do so at around 6 years of age. Polar Bear Courtship & Mating usually takes place between April and May. Males locate receptive females through scent and the mating occurs over a period of a few days.
Adolescence is usually the period between 13 and 19 years of age.
Females reach sexual maturity at around 4 to 5 years of age, while males do so at around 6 years of age. Polar Bear Courtship & Mating usually takes place between April and May. Males locate receptive females through scent and the mating occurs over a period of a few days.
Females reach sexual maturity at around 4 to 5 years of age, while males do so at around 6 years of age. Polar Bear Courtship & Mating usually takes place between April and May. Males locate receptive females through scent and the mating occurs over a period of a few days.
Usually around, 10 to 16
Usually between 8 and 12.
Yes it's fine to start your period when you were nine because usually girls start their periods at age 8 to age 12. Yes it's fine to start your period when you were nine because usually girls start their periods at age 8 to age 12.
What females? It varies from a few weeks to a year and a half.
The average age is around 12 years old. Sometimes it comes sooner, other times later. Usually around the age females hit puberty.
The median age for males in 2000 was 35.0 years and for females was 38.1 years.
Females can start having their periods once they start puberty. Puberty usually starts between the ages of 9 and 13.