Sentences with phrase «early menarche»

The use of soy formula in the WIC program, which supplies free formula to welfare mothers, may explain the astronomical rates of early menarche in African American girls.

These patterns of sexual and reproductive health outcomes for girls in low - and middle - income countries who menstruated at an early age are similar to what has been observed in high - income countries such as the U.S. Until now, there was little known about associations between early menarche and sexual and reproductive health outcomes in less advanced economies.

To examine whether girls who experience earlier menarche than their peers have higher levels of depressive symptoms in adolescence.

Previous research has investigated the relationship between pubertal timing and depression in girls, with most results suggesting that earlier menarche predicts more depression in adolescence.

Taken together, the results suggest that early childhood depressive symptoms and early menarche represent independent pathways to later depressive symptoms.

However, Prof Mishra said: «We expect that the underlying relationship between these reproductive characteristics across life is still present, but it may be that our definition of early menarche would be revised.

Some bad effects of any EA chemical, including BPA, are early menarche, reduced sperm counts, altered functions of reproductive organs, obesity and increased rates of cancer, Dr. Bittner explains.

In high - income countries, early menarche is defined as before the age of 12.

«Despite possible similarities in the relationship between early menarche and sexual and reproductive health in low -, middle - and high - income countries, the factors associated with early menarche and early marriage may differ across ethnic groups within the same country,» noted Mobolaji Ibitoye, MPH, DrPH candidate in the Department of Sociomedical Sciences at the Mailman School and lead author.

Studies from several high - income countries have shown that early menarche is also associated with various psychosocial factors including delinquency, substance use, and depression — all of which have sexual and reproductive health implications.

New data indicate that environmental estrogens such as PCBs and DDE (a breakdown product of DDT) may cause early sexual development in girls and a study in Puerto Rico implicated soy feeding as a cause of early menarche.

Early menarche — the longer a woman has her menstrual cycle, the longer estrogen levels are elevated

Relation of early menarche to depression, eating disorders, substance abuse, and comorbid psychopathology among adolescent girls.

Early menarche: A systematic review of its effect on sexual and reproductive health in low - and middle - income countries.

Using multiple linear regression analyses, our results suggest that higher levels of childhood depressive symptoms and earlier menarche have independent effects on adolescent depressive symptoms.