liz_legend
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The male partners role in conception may seem simpler, but the statistical probability of your partners sperm meeting your egg is astoundingly small. On average a man ejaculates about 5ml (a teaspoonful) of semen containing 100 million to 300 million sperm. Fewer than 100,000 make their way through the cervix. A mere 200 survive the journey up into the Fallopian tubes. And only one can fertilise the egg. Boys start to manufacture sperm in the testes at puberty and from this time onwards they are produced regularly at a rate of 1,500 a second. Each sperm has a lifespan of about 72 days.
Thx!!!! I just emailed it to my DH