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  2. Semen quality - Wikipedia

    en.wikipedia.org/wiki/Semen_quality

    How long the man has abstained prior to providing a semen sample correlates with the results of semen analysis and also with success rates in assisted reproductive technology (ART). Both a too short period of time since last ejaculation and a too long one reduce semen quality. A period of time of less than one day reduces sperm count by at ...

  3. Male infertility - Wikipedia

    en.wikipedia.org/wiki/Male_infertility

    A single semen sample is not determining for disease diagnosis, so two different samples have to be analyzed with an interval between them of seven days to three months, as sperm production is a cyclic process. It is prudent to ask about possible sample loss, as that could mask true results of spermiogram.

  4. Semen analysis - Wikipedia

    en.wikipedia.org/wiki/Semen_analysis

    Semen Fructose Test. Fructose level in the semen may be analysed to determine the amount of energy available to the semen for moving. [6] WHO specifies a normal level of 13 μmol per sample. Absence of fructose may indicate a problem with the seminal vesicles. The semen fructose test checks for the presence of fructose in the seminal fluid.

  5. What it’s really like to have a sperm test - AOL

    www.aol.com/news/sperm-test-140400191.html

    Don’t know what to expect? 7 things you should know before your first sperm test.

  6. Nearly 60% of women say they wish they knew how long it ... - AOL

    www.aol.com/lifestyle/nearly-60-women-wish-knew...

    "If you are over 35, you should seek a consultation with a fertility specialist after six months of trying unsuccessfully." ... a pelvic ultrasound or a sperm test at any time point in your ...

  7. Is your screen time tanking your sperm count? A urologist ...

    www.aol.com/news/screen-time-tanking-sperm-count...

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  8. Paternal age effect - Wikipedia

    en.wikipedia.org/wiki/Paternal_age_effect

    A 2001 review on variation in semen quality and fertility by male age concluded that older men had lower semen volume, lower sperm motility, a decreased percent of normal sperm, as well as decreased pregnancy rates, increased time to pregnancy and increased infertility at a given point in time. [55]

  9. Human reproduction - Wikipedia

    en.wikipedia.org/wiki/Human_reproduction

    Human sexual reproduction, to produce offspring, begins with fertilization. Successful reproduction typically involves sexual intercourse between a healthy, sexually mature and fertile male and female. [1] During sexual intercourse, sperm cells are ejaculated into the vagina through the penis, resulting in fertilization of an ovum to form a ...