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  2. Semen quality - Wikipedia

    en.wikipedia.org/wiki/Semen_quality

    Although it is possible for men to father children into old age, the genetic quality of sperm, as well as its volume and motility, all typically decrease with age. [2] Advancing paternal age has been implicated in a number of possible health effects. One particularly well-studied connection is the link between advancing age and autism. For ...

  3. Paternal age effect - Wikipedia

    en.wikipedia.org/wiki/Paternal_age_effect

    [32] A 2009 study examined children at 8 months, 4 years and 7 years and found that higher paternal age was associated with poorer scores in almost all neurocognitive tests used but that higher maternal age was associated with better scores on the same tests; [33] this was a reverse effect to that observed in the 2005 review, which found that ...

  4. Male infertility - Wikipedia

    en.wikipedia.org/wiki/Male_infertility

    The volume of the semen sample (must be more than 1.5 ml), approximate number of total sperm cells, sperm motility/forward progression, and % of sperm with normal morphology are measured. It is possible to have hyperspermia (high volume more than 6 ml) or Hypospermia (low volume less than 0.5 ml).

  5. Infertility - Wikipedia

    en.wikipedia.org/wiki/Infertility

    Infertility is the inability of a couple to reproduce by natural means. It is usually not the natural state of a healthy adult. Exceptions include children who have not undergone puberty, which is the body's start of reproductive capacity.

  6. Fertility - Wikipedia

    en.wikipedia.org/wiki/Fertility

    Men are fertile continuously, but their sperm quality is affected by their health, frequency of ejaculation, and environmental factors. [24] Fertility declines with age in both sexes. For women, the decline begins around the age of 32, and becomes precipitous at age 37. For men, potency and sperm quality begins to decline around the age of 40.

  7. The new college student sex trend and why it's so dangerous

    www.aol.com/college-student-sex-trend-why...

    A new sex trend among college students is getting attention on TikTok − and it has doctors worried.. That trend is using honey packets, a controversial supplement marketed for sexual enhancement ...

  8. Genetics of infertility - Wikipedia

    en.wikipedia.org/wiki/Genetics_of_infertility

    About 10–15% of human couples are infertile, unable to conceive.In approximately in half of these cases, the underlying cause is related to the male. The underlying causative factors in the male infertility can be attributed to environmental toxins, systemic disorders such as, hypothalamic–pituitary disease, testicular cancers and germ-cell aplasia.

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    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

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