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Production of hcg and CB tests with conception indicator

4 replies

WhoreMoans · 18/07/2010 11:05

Hi all, I wonder if anybody with more knowledge can help me?!

My understanding is that the CB pg tests with conception indicator give an approximate number of weeks since conception, in the form of 1-2wks, 2-3wks and 3+wks.

I've read that they can be unreliable but this is not my question.

I've also read that a fertilised egg doesn't start producing hcg until after implantation has occurred - which apparently takes place between 7-10dpo. SO! If you tested on, say, 18dpo using one of the aforementioned tests, then it really must only be testing hcg levels since implantation??

If this is so, then why are the CB tests called 'conception' indicators

Any wisdom appreciated!

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Tangle · 18/07/2010 15:56

Because women are (obviously!) too stupid to understand the difference between conception and implantation?

I don't know, although i suspect there isn't a logical reason and the nomenclature was a marketing decision. I do know that, having seen the stories from some ladies who have used them, should I ever need a HPT again I'm not going near them with a barge pole!

WhoreMoans · 18/07/2010 16:58

Hi Tangle, thanks for your reply.

Ye, I did wonder whether 'Implantation Indicator' was a bit of a mouthful!

I also think these tests are a (very expensive) con. And saying that they come complete with a 'conception' indicator is deception from the outset!

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OgreRebel · 18/07/2010 17:03

But maybe the time they display is adjusted to account for an average time between conception and implantation. So it could still be a conception indicator based on the average conception iyswim.

WhoreMoans · 18/07/2010 17:27

Yes, it must be the case - perhaps why some women get 'incorrect' results, i.e. the time from fertilisation to implantation is not an exact science?

I just that think women are not digital machines, yet the 'power' of this test is the fact that it is digital!!!

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