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Doctor insights on: What Causes A False Negative Pregnancy Test

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Dr. Shari Jackson
4 doctors shared insights

Pregnancy (Definition)

When your due date arrives, you will be more than ready to have your baby! Most women deliver the baby somewhere between 37 and 42 weeks. According to the American College of Obstetricians and Gynecologists, only 5% of babies arrive on the exact due date. Approximately 7% of babies are not delivered by 42 weeks, and when that happens, it is referred to ...Read more


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Any medications or illnesses that can cause a "false negative" pregnancy test?

Any medications or illnesses that can cause a "false negative" pregnancy test?

HCG: There are some medications that can cause a positive pregnancy test and there are some medical conditions that can also turn a positive pregnancy test without actually being pregnant. Please see your obgyn asap. ...Read more

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Can Topomax cause false negative pregnancy test?

Can Topomax cause  false negative pregnancy test?

No: If the test is a conventional pregnancy test, it should not make any differance. However, for the accuracy serum hCG test always available in an OBGYN's office. Good luck. ...Read more

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Can to much urine cause a false negative pregnancy test?

Can to much urine cause a false negative pregnancy test?

Unlikely: This would only be possible of the HCG level in your blood was very low. Once you miss your period, the HCG level in your blood should be high enough that the amount of urine won't matter. Of course, if you are worried, you can repeat the test in a few days. Best wishes! ...Read more

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Can irregular cycles have an impact on the amount of hCG released and therefore cause a false negative pregnancy test?

No: Irregular cycles do not impact HCG levels but do result in inaccurate estimation of length of pregnancy and so if pregnancy test done too early after conception, maybe negative. ...Read more

Dr. Stephen Sudler
482 doctors shared insights

Pregnancy Test (Definition)

A pregnancy test measures a hormone called human chorionic gonadotropin (HCG). HCG is a hormone produced during pregnancy. It appears in the blood and urine of pregnant women as early as ...Read more