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Q: pregnancy ( Answered,   2 Comments )
Subject: pregnancy
Category: Health > Women's Health
Asked by: vicky1-ga
List Price: $2.00
Posted: 07 Dec 2004 11:42 PST
Expires: 06 Jan 2005 11:42 PST
Question ID: 439451
Will a pregnancy test come out negative if its a ectopic pregnancy?
Subject: Re: pregnancy
Answered By: tlspiegel-ga on 07 Dec 2004 11:58 PST
Hi vicky1,

Thank you for an interesting question.

Medline Plus - Ectopic Pregnancy

Signs and tests    

"There is usually a positive pregnancy test." 


How Is Ectopic Pregnancy Diagnosed?

"If you show up at a doctor's office with irregular or missed periods,
or at an emergency room with pelvic pain, the first test a doctor will
perform is a urine test for pregnancy.

A negative pregnancy test will exclude ectopic pregnancy. 

A positive pregnancy test will establish the presence of a pregnancy
but not its location."


ECTOPIC PREGNANCY - a patient's guide

"If you are know you are pregnant, and experience abdominal pain or
vaginal bleeding, you should notify your doctor immediately.
Furthermore, any sexually active woman of childbearing age who
develops abdominal pain and/or vaginal bleeding should be given a
pregnancy test (even if she has had a tubal ligation or is using an
IUD) to rule out ectopic pregnancy or miscarriage. (Pregnancy tests
are so accurate nowadays that a pregnant woman is extremely unlikely
to have a negative test result)."


EM guidemap - Ectopic pregnancy

Diagnostic testing -Serum or urine HCG 

"(* dilute urine may result in a false negative urine pregnancy test
=> use 20 drops of urine, instead of 5 drops of urine, when performing
the test)"


Best regards,
Subject: Re: pregnancy
From: studentmd-ga on 07 Dec 2004 15:23 PST
The person who answered this question should have just said
ectopic pregnancy can show up positive since its still a
pregnancy...thus the mother produces human Chorionic Gonadotropin
regarless of whether its a regular pregnancy or ectopic. 
Nevertheless, inherent to all test, you can have FALSE POSITIVES and
FALSE NEGATIVES...meaning FP: Test is positive for pregnancy but
female is not actually pregnant or FN: Test is negative for pregnancy
but is actually pregnant....these scenarios can occur in both ectopic
and regular pregnancy at equal (yet low) frequencies in the
population.  Either way one should always consult a physician.

Student MD
Subject: Re: pregnancy
From: drphiljr-ga on 13 Mar 2005 15:25 PST
I concur.  The person should have just said yes.  Here is additional
information about having an ectopic pregnancy:

Ectopic pregnancies will generate pregnancy symptoms similar to a
normal pregnancy.  One of the biggest differences is sharp pain on one

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