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  2. Advanced maternal age - Wikipedia

    en.wikipedia.org/wiki/Advanced_maternal_age

    In the US, the average age at which women bore their first child advanced from 21.4 years old in 1970 [11] to 26.9 in 2018. [4]The German Federal Institute for Population Research claimed in 2015 the percentage for women with an age of at least 35 giving birth to a child was 25.9%.

  3. Birth defect - Wikipedia

    en.wikipedia.org/wiki/Birth_defect

    Two reports on fluoride exposure from China, which were controlled to account for the education level of parents, found that children born to parents who were exposed to 4.12 ppm fluoride grew to have IQs that were, on average, seven points lower than their counterparts whose parents consumed water that contained 0.91 ppm fluoride.

  4. Paternal age effect - Wikipedia

    en.wikipedia.org/wiki/Paternal_age_effect

    In 1912, Wilhelm Weinberg, a German physician, was the first person to hypothesize that non-inherited cases of achondroplasia could be more common in last-born children than in children born earlier to the same set of parents. [60] Weinberg "made no distinction between paternal age, maternal age and birth order" in his hypothesis. In 1953 ...

  5. Total fertility rate - Wikipedia

    en.wikipedia.org/wiki/Total_fertility_rate

    A 2023 map of countries by fertility rate. Blue indicates negative fertility rates. Red indicates positive rates. The total fertility rate (TFR) of a population is the average number of children that are born to a woman over her lifetime, if they were to experience the exact current age-specific fertility rates (ASFRs) through their lifetime, and they were to live from birth until the end of ...

  6. Seven in 10 children exposed to harmful content online - AOL

    www.aol.com/seven-10-children-exposed-harmful...

    The study is based on research conducted between May and June among 1,000 children aged nine to 17, 2,000 parents of children aged three to 17 and a further 1,000 parents of children aged five to 17.

  7. Environmental toxicants and fetal development - Wikipedia

    en.wikipedia.org/wiki/Environmental_toxicants...

    Environmental toxicants and fetal development is the impact of different toxic substances from the environment on the development of the fetus.This article deals with potential adverse effects of environmental toxicants on the prenatal development of both the embryo or fetus, as well as pregnancy complications.

  8. Children Born Dependent on Drugs Face Unique Challenges ... - AOL

    www.aol.com/children-born-dependent-drugs-face...

    For more stories about the trials — and triumphs — of children born dependent on drugs, pick up the latest issue of PEOPLE, on newsstands Friday, or subscribe here. Angela Christopher.

  9. AOL

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    The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.