Do Mexicans hit puberty early?

African-American and Hispanic girls tend to reach puberty earlier than their white counterparts, research shows.

How does ethnicity affect puberty?

The onset of puberty may be related to ethnicity, especially in girls. Caucasian girls tend to begin puberty later than Mexican-American and African-American girls. Puberty typically starts later for Asian-American girls than the other listed ethnicities.

Do Americans hit puberty earlier?

“The age of puberty, especially female puberty, has been decreasing in western cultures for decades now,” Chapa said. “For example, at the turn of the 20th century, the average age for an American girl to get her period was 16 or 17. Today, that number has decreased to 12 or 13 years.”

Do black boys hit puberty earlier?

Typically, puberty begins after the age of 9 in boys. By age 9, roughly 20% of Black or African-American boys and 4% of White boys have signs of pubic hair. Generally, Black or African-American boys go through the stages of puberty at a slightly younger age than White boys and Hispanic boys.

What age is considered early puberty?

Early puberty, also called precocious puberty, is when: girls have signs of puberty before 8 years of age. boys have signs of puberty before 9 years of age.

Early puberty to an extreme

What race hits puberty first?

African-American and Hispanic girls tend to reach puberty earlier than their white counterparts, research shows.

How rare is hitting puberty early?

Doctors diagnose the condition when puberty starts early and continues through growth spurts and bone maturation. We don't really know why this happens. Girls who show clear signs of puberty and its progression before age 8 and boys before age 9 are considered precocious. It affects about 1 out of 5,000 children.

What age do Mexican boys start puberty?

Most discussions around puberty tend to focus on girls, but boys are starting puberty earlier, too. A 2012 study of U.S. boys found white and Hispanic boys were entering puberty at an average age of 10, and African American boys at 9.

At what age do Hispanic boys start puberty?

Boys begin puberty sometime between the ages of 9 and 14. Boys hit puberty about two years later than girls. However, Black and Hispanic boys tend to enter puberty a bit earlier than white boys. If your son starts showing signs of puberty before age 9, it's worth asking his pediatrician about these early changes.

Are people who hit puberty early shorter?

Short height.

Children with precocious puberty may grow quickly at first and be tall, compared with their peers. But, because their bones mature more quickly than normal, they often stop growing earlier than usual. This can cause them to be shorter than average as adults.

Why are kids hitting puberty so early?

For most children, early puberty starts for no known reason. It can run in families. Sometimes there is a problem in the brain, such as an injury, a tumor or an infection. Early puberty can also be caused by a problem in the sex glands (testes or ovaries), the thyroid gland or the adrenal glands.

Are people who hit puberty late taller?

In the category of children with lower BMI and later onset of puberty, the spurt was all the stronger. Those whose puberty was delayed also had several extra years to grow in, and quite simply ended up taller.

How rare is late puberty?

Delayed puberty affects about 2% of adolescents. Most commonly, puberty may be delayed for several years and still occur normally, in which case it is considered constitutional delay of growth and puberty, a common variation of healthy physical development.

Does culture affect puberty?

Although puberty appears to be a biological phenomenon that is hard-wired in the human body, systematic research has shown clear evidence of cultural effects on the onset of puberty. One of the clearest markers of pubertal development for girls is menarche, the time when a girl begins her menstrual cycle.

Does ethnicity affect hair?

Regardless of race, the larger the diameter of the hair fiber, the faster the rate of hair growth. Although there are no differences in the hair-growth cycle among Asian, African, and Caucasian hair subgroups, African hair has been found to grow at a slower rate, likely due to its smaller-diameter fibers.

Why do girls hit puberty early?

Most commonly, especially in girls, precocious puberty is due to the brain sending signals earlier than it should. There is no other underlying medical problem or trigger. This also can often run in families. Less often, precocious puberty stems from a more serious problem, such as a tumor or trauma.

Do Hispanic men age slower?

UCLA scientists noticed that the blood of Latinos aged more slowly than other groups. A UCLA study is the first to show that Latinos age at a slower rate than other ethnic groups.

Is 10 too early for a boy to start puberty?

According to the National Institutes of Health, puberty usually begins in girls between 8 and 13 years of age, and in boys between 9 and 14 years of age. Puberty is considered to be early in boys before age 8 and girls before 9 years old. This is sometimes called “precocious puberty.”

How can I prevent puberty early?

Most cases of early puberty cannot be prevented. Limiting your child's exposure to reproductive hormones from outside sources may prevent precocious puberty. These sources may include estrogen or testosterone creams, lotions, or other medications.

What triggers puberty?

Hormones from the brain trigger the start of puberty. Hormones are chemical messengers that tell the body what to do. In males: The hormones tell the testicles to make the hormone testosterone and sperm. In females: The hormones tell the ovaries to make the hormone estrogen and triggers the growth and release of eggs.

Why does my 4 year old have pubic hair?

Premature pubarche, or the development of pubic hair before the age of 8 in girls or 9 in boys, is most commonly caused by premature adrenarche. Adrenarche is the maturation of the adrenal zona reticularis in both boys and girls, resulting in the development of pubic hair, axillary hair, and adult apocrine body odor.

Is early puberty good?

Early puberty can be associated with both negative and positive cognitive outcomes. The effects are domain specific. Early maturation may be associated with lower self-control but better attention. The effects of early maturation appear to be mediated or moderated by social contexts.

What age do black girls start puberty?

In general, the first signs of normal puberty in girls can start as early as age 7. African-American girls may have normal puberty signs as early as age 6. Puberty before that age is considered early and should be checked by a health-care provider. Several factors can change when puberty will begin.