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Sperm count and morphology can be calculated by microscopy. Sperm count can also be estimated by kits that measure the amount of a sperm-associated protein, and are suitable for home use. [30] [unreliable medical source?] Computer assisted semen analysis (CASA) is a catch-all phrase for automatic or semi-automatic semen analysis techniques.
Fertility rate by State 2008 - 2020: 2019-2022. State federal district or territory TFR 2019 [1] TFR 2020 [2] TFR 2021 [3] TFR 2022 [4]
A study of a population of French women from 1670 and 1789 shows that those who married at age 20–24 had 7.0 children on average and 3.7% remained childless. Women who married at age 25–29 years had a mean of 5.7 children and 5.0% remained childless. Women who married at 30–34 years had a mean of 4.0 children and 8.2% remained childless. [20]
Hims reports that the respondents who used their phone more than 20 times per day had a 30% increased risk for lower sperm concentration and 21% increased risk for total sperm count to be below ...
Murphy added that some people get pregnant by partners with sperm counts of 10 million per milliliter or less, so the lack of a red-line on a SpermCheck test is not a final verdict on fertility ...
A 1992 World Health Organization report described normal human semen as having a volume of 2 mL or greater, pH of 7.2 to 8.0, sperm concentration of 20×10 6 spermatozoa/mL or more, sperm count of 40×10 6 spermatozoa per ejaculate or more, and motility of 50% or more with forward progression (categories a and b) of 25% or more with rapid ...
If sperm count remains above 60 million per ejaculate, fertility remains normal. But sperm counts are continuing to drop. At such low levels, the sperm often are incapable of successfully fertilizing the egg. A decline in male fertility often means a decline in natural fertility, as fertility is carried by both sexes.
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