“The body responds to the individual needs of the child’s growth.”

 

When a “tall” child grows above a height that would make him much taller than his parents, he can reach puberty before his peers. This happens to stop the growth process before. In this way ensure that your final height (adult) is in an “objective” range. These are the conclusions of Dr. Yehuda Limony.

 

How does a child’s body know when it is time to mature and begin puberty?

 

The height of the parents can be the key to give an explanation.

 

In a new study published in the journal Plos One, researchers Yehuda Limony and Michael Friger, together with Slawomir Koziel from Poland, reveal this data.

 

There is a wide variation in what may be considered a “normal” age for puberty to begin. But scientists have had little success in validating the current most prevalent assumption. That is to say, that genetics plays an important role in determining the age at which an individual will begin puberty.

 

Now it seems they found that the age at which a child begins to develop pubic hair, breasts and the onset of menstruation is linked to the child’s “height gap”. That is, the gap between the child’s height (as measured in percentiles or standard deviation score) and his or her expected final adult height (as measured by their parents’ height percentiles).

 

“Our findings mean that the age at which a child reaches puberty is not genetically established,” says Dr. Limony.

 

“Rather, the body responds to the child’s individual growth needs. When a ‘tall’ child seems to address an adult height that would make him much taller than his parents, he can reach puberty before his peers to stop the growth process. Then it is ensured that its final height (adult) is in the “target” range.

 

“The opposite is also true: children” low “(compared to their parents) reach puberty later than the average. This is because the body gives the child more time to grow, in order to achieve the stature of his parents. ”

 

Puberty helps control the height of children.

 

The study focused on two separate groups of Polish and Israeli children. The Polish group consisted of 335 children (162 girls) from nine randomly selected primary schools in Wroclaw. They were followed at annual intervals from 8 years to 18 years (children) and 17 years (girls) from 1961 to 1972.

 

The Israeli group was composed of 170 children (60 girls) who had been referred to an endocrinology clinic in southern Israel between 2004 and 2015. The reasons were: normal but below average height, short stature, early puberty or a late puberty.

 

Children and their parents were measured using a wall-mounted stadiometer. A calibrated scale was used to measure the weight of the children. The children were measured periodically for a period of 18 months.

 

“A child who reaches puberty earlier than his peers, but at a time that is consistent with this height gap should be considered healthy. Or at least less suspicious of having a precocious pathological puberty, “adds Limony.

 

“The determination of whether the time of puberty should be considered physiological or pathological should not be done by norms within the population, but rather determined by personal considerations for each child in line with our model.

 

We believe that by using this model or similar, “it will reduce the use of unnecessary diagnostic procedures and will also explain the onset of early or late puberty.”

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