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Old 03-07-2005, 01:39 PM   #29
shamrock_uk
Dracolich
 

Join Date: January 24, 2004
Location: UK
Age: 42
Posts: 3,092
Its all about timing. There is only a certain number of days in which the egg can be fertilised after its released from the overies. If your sperm are looking for it too early then they'll die before they reach it, too late and the egg will have travelled too far to implant in the womb. IIRC (and that's a big if) its something like 5 - 15 days after ovulation.

The rhythm method is having sex outside this period. So contraception without artificial methods. There's always a risk of either irregularity or simply bad record-keeping so I wouldn't rely on it.

My own question: what on earth is Natural Family Planning?

[ 03-07-2005, 01:45 PM: Message edited by: shamrock_uk ]
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