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» Scarleteen Boards: 2000 - 2014 (Archive) » SCARLETEEN CENTRAL » Pregnancy and Parenting » how do pregnancy tests work?

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Author Topic: how do pregnancy tests work?
scaredsilly2
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I hope this is the right place to post this...

I feel a bit silly in asking but I was wondering how pregnancy tests work. I hear they give results according to your level of hormones but is it from the levels in your urine or? What do you typically do when you take a pregnancy test?

Just wonderin'.. thanks

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-the maker is surely one who makes themself.-


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Bobolink
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Rather than give a long, complicated explanation, home pregnancy tests look for the hCG hormone which is only produced by pregnant women and is excreted in the urine.

A detailed description can be found on this site:

http://www.fertilityplus.org/faq/hpt.html


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I do not feel obliged to believe that the same God who has endowed us with sense, reason, and intellect has intended us to forgo their use.

- Galileo

[This message has been edited by Bobolink (edited 07-30-2005).]


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LilBlueSmurf
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I think this is site has a really good explanation as well ...
http://health.howstuffworks.com/prenatal-testing2.htm

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scaredsilly2
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thank you! both links were very helpful.

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-the maker is surely one who makes themself.-


Posts: 146 | From: USA | Registered: Feb 2005  |  IP: Logged | Report this post to a Moderator
   

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